Latest News from the CDC Health Alert Network

For the latest news from the CDC Health Alert Network visit: https://emergency.cdc.gov/han/


Severe Vibrio vulnificus Infections in the United States Associated with Warming Coastal Waters - Health Alert Network (HAN) No. 497
The Centers for Disease Control and Prevention (CDC) is issuing this Health Alert Network (HAN) Health Advisory to: Notify healthcare providers, laboratories, and public health departments about recen ...

Fri, 01 Sep 2023 12:30:00 EST

Important Updates on Locally Acquired Malaria Cases Identified in Florida, Texas, and Maryland - Health Alert Network (HAN) No. 496
The Centers for Disease Control and Prevention (CDC) is issuing this Health Alert Network (HAN) Health Update to share new information with clinicians, public health authorities, and the public about ...

Mon, 28 Aug 2023 14:15:00 EST

cWildfire Smoke Exposure Poses Threat to At-Risk Populations - Health Alert Network (HAN) No. 495
The Centers for Disease Control and Prevention (CDC) is reminding healthcare professionals seeing patients affected by wildfire smoke to be alert to the possible adverse effects of smoke exposure, par ...

Fri, 30 Jun 2023 13:30:00 EST

Locally Acquired Malaria Cases Identified in the United States - Health Alert Network (HAN) No. 494
The Centers for Disease Control and Prevention (CDC) is issuing this Health Alert Network (HAN) Health Advisory to share information and notify clinicians, public health authorities, and the public ab ...

Mon, 26 Jun 2023 17:00:00 EST

Guidance on Measles during the Summer Travel Season - Health Alert Network (HAN) No. 493
As the summer travel season begins, the Centers for Disease Control and Prevention (CDC) is issuing this Health Alert Network (HAN) Health Advisory to remind clinicians and public health officials to ...

Wed, 21 Jun 2023 13:30:00 EST

Important Updates on Outbreak of Fungal Meningitis in U.S. Patients Who Underwent Surgical Procedures under Epidural Anesthesia in Matamoros, Mexico - Health Alert Network (HAN) No. 492
The Centers for Disease Control and Prevention (CDC) is issuing this Health Alert Network (HAN) Health Update to supplement the CDC HAN Health Advisory issued on May 17, 2023. This Health Update provi ...

Thu, 01 Jun 2023 17:30:00 EST

Outbreak of Suspected Fungal Meningitis in U.S. Patients who Underwent Surgical Procedures under Epidural Anesthesia in Matamoros, Mexico - Health Alert Network (HAN) No. 491
The Centers for Disease Control and Prevention (CDC) is issuing this Health Alert Network Health Advisory about an outbreak of suspected fungal meningitis among U.S. patients hospitalized in Texas aft ...

Wed, 17 May 2023 16:00:00 EST

Potential Risk for New Mpox Cases - Health Alert Network (HAN) No. 490
In the United States, cases of mpox (formerly monkeypox) have declined since peaking in August 2022, but the outbreak is not over. The Centers for Disease Control and Prevention (CDC) continues to rec ...

Mon, 15 May 2023 09:00:00 EST

Marburg Virus Disease Outbreaks in Equatorial Guinea and Tanzania - Heath Alert Network (HAN) No. 489
The Centers for Disease Control and Prevention (CDC) is issuing this Health Alert Network (HAN) Health Advisory to inform clinicians and public health departments in the United States about two confir ...

Thu, 06 Apr 2023 10:30:00 EST

Marburg Virus Disease Outbreaks in Equatorial Guinea and Tanzania - Health Alert Network (HAN) No. 489
The Centers for Disease Control and Prevention (CDC) is issuing this Health Alert Network (HAN) Health Advisory to inform clinicians and public health departments in the United States about two confir ...

Thu, 06 Apr 2023 10:30:00 EST

Measles Exposure at a Large Gathering in Kentucky, February 2023 and Global Measles Outbreaks - Health Alert Network (HAN) No. 488
The Centers for Disease Control and Prevention (CDC) is issuing this Health Alert Network (HAN) Health Advisory to notify clinicians and public health officials about a confirmed measles case at a lar ...

Fri, 03 Mar 2023 11:15:00 EDT

Increased Chikungunya Virus Activity in Paraguay and Associated Risk to Travelers - Health Alert Network (HAN) No. 487
The Centers for Disease Control and Prevention (CDC) is issuing this Health Alert Network (HAN) Health Advisory to notify clinicians and public health authorities of an increase in the number of cases ...

Thu, 02 Mar 2023 12:15:00 EDT

Increase in Extensively Drug-Resistant Shigellosis in the United States - Health Alert Network (HAN) No. 486
The Centers for Disease Control and Prevention (CDC) has been monitoring an increase in extensively drug-resistant (XDR) Shigella infections (shigellosis) reported through national surveillance system ...

Fri, 24 Feb 2023 11:30:00 EDT

Outbreak of Extensively Drug-resistant Pseudomonas aeruginosa Associated with Artificial Tears - Health Alert Network (HAN) No. 485
The Centers for Disease Control and Prevention (CDC) is issuing this Health Alert Network (HAN) Health Advisory about infections with an extensively drug-resistant strain of Verona Integron-mediated M ...

Wed, 01 Feb 2023 19:00:00 EDT

Increase in Pediatric Invasive Group A Streptococcal Infections - Health Alert Network (HAN) No. 484
The Centers for Disease Control and Prevention (CDC) is issuing this Health Alert Network (HAN) Health Advisory to notify clinicians and public health authorities of a recent increase in pediatric inv ...

Thu, 22 Dec 2022 13:45:00 EDT

Important Updates on COVID-19 Therapeutics for Treatment and Prevention - Health Alert Network (HAN) No. 483
The Centers for Disease Control and Prevention (CDC) is issuing this Health Alert Network (HAN) Health Update to supplement the CDC HAN Health Advisories issued on April 25, 2022 and May 24, 2022 to e ...

Tue, 20 Dec 2022 17:45:00 EDT

Interim Guidance for Clinicians to Prioritize Antiviral Treatment of Influenza in the Setting of Reduced Availability of Oseltamivir - Health Alert Network (HAN) No. 482
Seasonal influenza activity is high across the United States. The Centers for Disease Control and Prevention (CDC) estimates that in the 2022-2023 season to date, there have been at least 13 million i ...

Wed, 14 Dec 2022 16:00:00 EDT

Update on Managing Monkeypox in Patients Receiving Therapeutics - Health Alert Network (HAN) No. 481
Monkeypox cases have declined since mid-August 2022 in the United States; however, new cases-including clinically severe cases-continue to occur. While there are currently no treatments specifically a ...

Thu, 17 Nov 2022 19:00:00 EDT

Update on Ebola Virus Disease (Sudan ebolavirus) Outbreak in Central Uganda - Health Alert Network (HAN) No. 480
The Centers for Disease Control and Prevention (CDC) is issuing this Health Alert Network (HAN) Health Update as a follow-up to a HAN Health Advisory (Outbreak of Ebola virus disease (Sudan ebolavirus ...

Mon, 07 Nov 2022 09:15:00 EDT

Increased Respiratory Virus Activity, Especially Among Children, Early in the 2022-2023 Fall and Winter - Health Alert Network (HAN) No. 479
The Centers for Disease Control and Prevention (CDC) is issuing this Health Alert Network (HAN) Health Advisory about early, elevated respiratory disease incidence caused by multiple viruses occurring ...

Fri, 04 Nov 2022 15:30:00 EST

Outbreaks of Nontuberculous Mycobacteria Infections Highlight Importance of Maintaining and Monitoring Dental Waterlines - Health Alert Network (HAN) No. 478
The Centers for Disease Control and Prevention (CDC) is issuing this Health Alert Network (HAN) Health Advisory to emphasize the importance of following existing recommendations for maintaining and mo ...

Mon, 31 Oct 2022 13:00:00 EST

Outbreak of Ebola virus disease (Sudan ebolavirus) in Central Uganda - Health Alert Network (HAN) No. 477
The Centers for Disease Control and Prevention (CDC) is issuing this Health Alert Network (HAN) Health Advisory about a recently confirmed outbreak of Ebola virus disease (EVD) in Uganda caused by Sud ...

Thu, 06 Oct 2022 10:45:00 EST

Hurricanes Fiona and Ian-Clinical Guidance for Carbon Monoxide (CO) Poisoning - Health Alert Network (HAN) No. 476
The Centers for Disease Control and Prevention (CDC) is reminding healthcare professionals seeing patients from areas affected by Hurricanes Fiona or Ian to maintain a high index of suspicion for carb ...

Sat, 01 Oct 2022 14:15:00 EST

Severe Manifestations of Monkeypox among People who are Immunocompromised Due to HIV or Other Conditions - Health Alert Network (HAN) No. 475
The purpose of this Centers for Disease Control and Prevention (CDC) Health Alert Network (HAN) Health Advisory is to inform healthcare providers that 1. Severe manifestations of monkeypox have been ...

Thu, 29 Sep 2022 14:15:00 EST

Severe Respiratory Illnesses Associated with Rhinoviruses and/or Enteroviruses Including EV-D68 - Multistate, 2022 - Health Alert Network (HAN) No. 474
Healthcare providers and hospitals in several regions of the United States notified the Centers for Disease Control and Prevention (CDC) during August 2022 about increases in pediatric hospitalization ...

Fri, 09 Sep 2022 13:15:00 EST

Variant Influenza Virus Infections: Recommendations for Identification, Treatment, and Prevention for Summer and Fall 2022 - Health Alert Network (HAN) No. 473
The Centers for Disease Control and Prevention (CDC) is issuing this Health Alert Network (HAN) Health Advisory to provide updates on recent variant1 influenza virus infections and summarize CDC's rec ...

Tue, 30 Aug 2022 15:00:00 EST

Update for Clinicians on Monkeypox in People with HIV, Children and Adolescents, and People who are Pregnant or Breastfeeding - Health Alert Network (HAN) No. 472
As of July 29, 2022, the Centers for Disease Control and Prevention (CDC) and state and local public health partners are reporting 5,189 cases of Monkeypox virus infections in the United States across ...

Sat, 30 Jul 2022 13:15:00 EST

Update for Clinicians on Testing and Treatment for Monkeypox - Health Alert Network (HAN) No. 471
As of July 28, 2022, the Centers for Disease Control and Prevention (CDC) and state and local public health partners are reporting 4,907 cases of monkeypox in the United States across 46 states, Washi ...

Thu, 28 Jul 2022 21:00:00 EST

Melioidosis Locally Endemic in Areas of the Mississippi Gulf Coast after Burkholderia pseudomallei Isolated in Soil and Water and Linked to Two Cases - Mississippi, 2020 and 2022 - Health Alert Network (HAN) No. 470
The Centers for Disease Control and Prevention (CDC) identified the bacterium Burkholderia pseudomallei (B. pseudomallei) for the first time in the environment in the continental United States. This b ...

Wed, 27 Jul 2022 15:30:00 EST

Recent Reports of Human Parechovirus (PeV) in the United States-2022 - Health Alert Network (HAN) No. 469
The Centers for Disease Control and Prevention (CDC) is issuing this Health Alert Network (HAN) Health Advisory to inform clinicians and public health departments that parechovirus (PeV) is currently ...

Tue, 12 Jul 2022 13:15:00 EST

Updated Case-finding Guidance: Monkeypox Outbreak-United States, 2022 - Health Alert Network (HAN) No. 468
Since May 2022, monkeypox cases, which have historically been rare in the United States, have been identified in 18 states and territories among both persons returning from international travel and th ...

Tue, 14 Jun 2022 17:00:00 EST

COVID-19 Rebound After Paxlovid Treatment - Health Alert Network (HAN) No. 467
The Centers for Disease Control and Prevention (CDC) is issuing this Health Alert Network (HAN) Health Advisory to update healthcare providers, public health departments, and the public on the potenti ...

Tue, 24 May 2022 09:00:00 EST

Monkeypox Virus Infection in the United States and Other Non-endemic Countries-2022 - Health Alert Network (HAN) No. 466
The Massachusetts Department of Public Health and the Centers for Disease Control and Prevention (CDC) are investigating a confirmed case of monkeypox in the United States. On May 17, 2022, skin lesio ...

Fri, 20 May 2022 11:30:00 EST

Updated Recommendations for Adenovirus Testing and Reporting of Children with Acute Hepatitis of Unknown Etiology - Health Alert Network (HAN) No. 465
The Centers for Disease Control and Prevention (CDC) is issuing this Health Alert Network (HAN) Health Update to provide clinicians and public health authorities with updated information about an epid ...

Wed, 11 May 2022 12:15:00 EST

Highly Pathogenic Avian Influenza A(H5N1) Virus: Recommendations for Human Health Investigations and Response - Health Alert Network (HAN) No. 464
A person has tested positive for avian influenza A(H5) virus (H5 bird flu) in the U.S., as confirmed by the Centers for Disease Control and Prevention (CDC) and reported by the Colorado Department of ...

Fri, 29 Apr 2022 08:00:00 EST

Updated Information on Availability and Use of Treatments for Outpatients with Mild to Moderate COVID-19 Who are at Increased Risk for Severe Outcomes of COVID-19 - Health Alert Network (HAN) No. 463
The Centers for Disease Control and Prevention (CDC) is issuing this Health Alert Network (HAN) Health Advisory to update healthcare providers, public health departments, and the public about the avai ...

Mon, 25 Apr 2022 13:00:00 EST

Recommendations for Adenovirus Testing and Reporting of Children with Acute Hepatitis of Unknown Etiology - Health Alert Network (HAN) No. 462
The Centers for Disease Control and Prevention (CDC) is issuing this Health Alert Network (HAN) Health Advisory to notify clinicians and public health authorities of a cluster of children identified w ...

Thu, 21 Apr 2022 11:00:00 EST

Using Therapeutics to Prevent and Treat COVID-19 - Health Alert Network (HAN) No. 461
The SARS-CoV-2 Omicron variant has quickly become the dominant variant of concern in the United States and is present in all 50 states. The Centers for Disease Control and Prevention (CDC) recommends ...

Fri, 31 Dec 2021 17:00:00 EDT

Rapid Increase of Omicron Variant Infections in the United States: Management of Healthcare Personnel with SARS-CoV-2 Infection or Exposure - Health Alert Network (HAN) No. 460
Due to the increased transmissibility of the SARS-CoV-2 Omicron variant and concerns about potential impacts on the healthcare system, the Centers for Disease Control and Prevention (CDC) is updating ...

Fri, 24 Dec 2021 19:00:00 EDT

New SARS-CoV-2 Variant of Concern Identified: Omicron (B.1.1.529) Variant - Health Alert Network (HAN) No. 459
Omicron, a new SARS-CoV-2 variant, has been identified in many countries and categorized as a Variant of Concern by the U.S. government and the World Health Organization (WHO). Because little is known ...

Wed, 01 Dec 2021 23:00:00 EDT

Increasing Seasonal Influenza A (H3N2) Activity, Especially Among Young Adults and in College and University Settings, During SARS-CoV-2 Co-Circulation - Health Alert Network (HAN) No. 458
The Centers for Disease Control and Prevention (CDC) is issuing this Health Alert Network (HAN) Health Advisory about increased influenza A(H3N2) activity that could mark the beginning of the 2021-202 ...

Wed, 24 Nov 2021 11:00:00 EDT

Update: Expansion of Recall of LeadCare Blood Lead Tests Due to Risk of Falsely Low Results - Health Alert Network (HAN) No. 457
The Centers for Disease Control and Prevention (CDC) is issuing this Health Alert Network (HAN) Health Update as an update to HAN Update 454: Expansion of Recall of LeadCare Blood Lead Tests Due to Ri ...

Fri, 05 Nov 2021 10:00:00 EST

Source Identified and Case Definition Established: Multistate Investigation of Non-travel Associated Burkholderia pseudomallei Infections (Melioidosis) in Four Patients: Georgia, Kansas, Minnesota, and Texas - 2021 - Health Alert Network (HAN) No. 456
Whole genome sequencing (WGS) at the Centers for Disease Control and Prevention (CDC) confirmed that the strain of Burkholderia pseudomallei in bottles of aromatherapy room spray matches the bacterial ...

Wed, 03 Nov 2021 11:00:00 EST

Source Implicated in Fatal Case in Georgia: Multistate Outbreak of Non-travel Associated Burkholderia pseudomallei Infections (Melioidosis) in Four Patients: Georgia, Kansas, Minnesota, and Texas-2021 - Health Alert Network (HAN) No. 455
Testing at the Centers for Disease Control and Prevention (CDC) has identified the bacterial DNA of Burkholderia pseudomallei in an aromatherapy room spray in the home of the Georgia resident who was ...

Fri, 22 Oct 2021 18:15:00 EST

Expansion of Recall of LeadCare Blood Lead Tests Due to Risk of Falsely Low Results - Health Alert Network (HAN) No. 454
Magellan Diagnostics, Inc. and the U.S. Food and Drug Administration (FDA) have issued notifications about the expansion of Magellan Diagnostics' recall of LeadCare II, LeadCare Plus, and LeadCare Ult ...

Thu, 14 Oct 2021 10:00:00 EST

COVID-19 Vaccination for Pregnant People to Prevent Serious Illness, Deaths, and Adverse Pregnancy Outcomes from COVID-19 - Health Alert Network (HAN) No. 453
The Centers for Disease Control and Prevention (CDC) recommends urgent action to increase Coronavirus Disease 2019 (COVID-19) vaccination among people who are pregnant, recently pregnant (including th ...

Wed, 29 Sep 2021 12:00:00 EST

Guidance for Clinicians Caring for Individuals Recently Evacuated from Afghanistan - Health Alert Network (HAN) No. 452
The Centers for Disease Control and Prevention (CDC) recommends that clinicians be on alert for cases of measles that meet the case definition, as well as other infectious diseases, including mumps, l ...

Mon, 20 Sep 2021 15:45:00 EST

Increases in Availability of Cannabis Products Containing Delta-8 THC and Reported Cases of Adverse Events - Health Alert Network (HAN) No. 451
The purpose of this Health Alert Network (HAN) Health Advisory is to alert public health departments, healthcare professionals, first responders, poison control centers, laboratories, and the public t ...

Tue, 14 Sep 2021 10:00:00 EST

Hurricane Ida-Clinical Guidance for Carbon Monoxide (CO) Poisoning - Health Alert Network (HAN) No. 450
The Centers for Disease Control and Prevention (CDC) is reminding healthcare professionals seeing patients from areas that will be affected by severe storms, hurricanes, high winds, and flooding to ma ...

Sat, 28 Aug 2021 09:00:00 EST

Rapid Increase in Ivermectin Prescriptions and Reports of Severe Illness Associated with Use of Products Containing Ivermectin to Prevent or Treat COVID-19 - Health Alert Network (HAN) No. 449
Ivermectin is a U.S. Food and Drug Administration (FDA)-approved prescription medication used to treat certain infections caused by internal and external parasites. When used as prescribed for approve ...

Thu, 26 Aug 2021 11:40:00 EST

New Case Identified: Multistate Investigation of Non-travel Associated Burkholderia pseudomallei Infections (Melioidosis) in Four Patients: Georgia, Kansas, Minnesota, and Texas-2021 - Health Alert Network (HAN) No. 448
The Georgia Department of Public Health, with assistance from the Centers for Disease Control and Prevention (CDC), is investigating a fatal case of Burkholderia pseudomallei infection (i.e., melioido ...

Mon, 09 Aug 2021 11:40:00 EST

Vaccination to Prevent COVID-19 Outbreaks with Current and Emergent Variants - United States, 2021 - Health Alert Network (HAN) No. 447
The Centers for Disease Control and Prevention (CDC) is issuing this Health Alert Network Health Advisory to notify public health practitioners and clinicians about the urgent need to increase COVID-1 ...

Tue, 27 Jul 2021 16:00:00 EST

Potential Exposure to Person with Confirmed Human Monkeypox Infection - United States, 2021 - Health Alert Network (HAN) No. 446
The Centers for Disease Control and Prevention (CDC), in collaboration with the Texas Department of State Health Services and Dallas County Health and Human Services, is investigating a single case of ...

Sat, 17 Jul 2021 17:00:00 EST

Recall of LeadCare® Blood Lead Tests Due to Risk of Falsely Low Results - Health Alert Network (HAN) No. 445
Magellan Diagnostics, Inc. and the U.S. Food and Drug Administration (FDA) have issued a recall notice concerning the use of some LeadCare® Blood Lead Tests (certain LeadCare II, LeadCare Plus, and L ...

Tue, 06 Jul 2021 12:00:00 EST

Multistate Investigation of Non-travel Associated Burkholderia pseudomallei Infections (Melioidosis) in Three Patients: Kansas, Texas, and Minnesota-2021 - Health Alert Network (HAN) No. 444
The Kansas Department of Health and Environment, the Texas Department of State Health Services, and the Minnesota Department of Health, with assistance from the Centers for Disease Control and Prevent ...

Wed, 30 Jun 2021 14:30:00 EST

Increased Interseasonal Respiratory Syncytial Virus (RSV) Activity in Parts of the Southern United States - Health Alert Network (HAN) No. 443
The Centers for Disease Control and Prevention (CDC) is issuing this health advisory to notify clinicians and caregivers about increased interseasonal respiratory syncytial virus (RSV) activity across ...

Thu, 10 Jun 2021 13:30:00 EST

Cases of Cerebral Venous Sinus Thrombosis with Thrombocytopenia after Receipt of the Johnson & Johnson COVID-19 Vaccine - Health Alert Network (HAN) No. 442
As of April 12, 2021, approximately 6.85 million doses of the Johnson & Johnson (J&J) COVID-19 vaccine (Janssen) have been administered in the United States. The Centers for Disease Control and Preven ...

Tue, 13 Apr 2021 13:00:00 EST

Acute Non-Viral Hepatitis of Unknown Etiology Potentially Associated with an Alkaline Water Product - Health Alert Network (HAN) No. 441
Five cases of acute non-viral hepatitis of unknown etiology in children were reported to the Southern Nevada Health District (SNHD) between November and December 2020. The Centers for Disease Control ...

Wed, 31 Mar 2021 16:00:00 EST

2021 Winter Storms-Clinical Guidance for Carbon Monoxide (CO) Poisoning - Health Alert Network (HAN) No. 440
The Centers for Disease Control and Prevention (CDC) is reminding healthcare professionals seeing patients from the areas affected by recent winter storms to maintain a high index of suspicion for car ...

Wed, 17 Feb 2021 14:15:00 EDT

Extensively Drug-Resistant Salmonella Typhi Infections Among U.S. Residents Without International Travel - Health Alert Network (HAN) No. 439
Typhoid fever is a systemic illness caused by the bacterium Salmonella enterica serotype Typhi (Typhi). Most people in the United States diagnosed with typhoid fever acquired it during international t ...

Fri, 12 Feb 2021 13:00:00 EDT

Increase in Fatal Drug Overdoses Across the United States Driven by Synthetic Opioids Before and During the COVID-19 Pandemic - Health Alert Network (HAN) No. 438
The purpose of this Health Alert Network (HAN) Advisory is to alert public health departments, healthcare professionals, first responders, harm reduction organizations, laboratories, and medical exami ...

Thu, 17 Dec 2020 08:00:00 EDT

Hurricane Delta-Clinical Guidance for Carbon Monoxide (CO) Poisoning - Health Alert Network (HAN) No. 437
The Centers for Disease Control and Prevention (CDC) is reminding healthcare professionals seeing patients from the areas affected by Hurricane Delta to maintain a high index of suspicion for carbon m ...

Thu, 08 Oct 2020 19:30:00 EST

Recent HIV Clusters and Outbreaks Across the United States Among People Who Inject Drugs and Considerations During the COVID-19 Pandemic - Health Alert Network (HAN) No. 436
Since 2015, the Centers for Disease Control and Prevention (CDC) and health departments across the United States have identified several HIV clusters and outbreaks occurring predominantly among people ...

Mon, 05 Oct 2020 11:00:00 EST

Hurricane Laura-Clinical Guidance for Carbon Monoxide (CO) Poisoning - Health Alert Network (HAN) No. 435
The Centers for Disease Control and Prevention (CDC) is reminding clinicians seeing patients from the areas affected by Hurricane Laura to maintain a high index of suspicion for CO poisoning. Other pe ...

Thu, 27 Aug 2020 15:30:00 EST

Serious Adverse Health Events Associated with Methanol-based Hand Sanitizers - Health Alert Network (HAN) No. 434
Most commercially available alcohol-based hand sanitizers or rubs (ABHSR) contain either ethanol or isopropanol as active ingredients. On June 19, 2020, the U.S. Food and Drug Administration (FDA) adv ...

Sun, 05 Jul 2020 19:15:00 EST

Detection of Ciprofloxacin-resistant, β-lactamase-producing Neisseria meningitidis Serogroup Y Isolates, United States, 2019-2020 - Health Alert Network (HAN) No. 433
Meningococcal disease, which typically presents as meningitis or meningococcemia, is a life-threatening illness requiring prompt antibiotic treatment for patients and antibiotic prophylaxis for their ...

Thu, 18 Jun 2020 13:30:00 EST

Multisystem Inflammatory Syndrome in Children (MIS-C) Associated with Coronavirus Disease 2019 (COVID-19) - Health Alert Network (HAN) No. 432
The Centers for Disease Control and Prevention (CDC) is providing 1) background information on several cases of a recently reported multisystem inflammatory syndrome in children (MIS-C) associated wit ...

Thu, 14 May 2020 16:45:00 EST

Severe Illness Associated with Using Non-Pharmaceutical Chloroquine Phosphate to Prevent and Treat Coronavirus Disease 2019 (COVID-19) - Health Alert Network (HAN) No. 431
Chloroquine phosphate, when used without a prescription and supervision of a healthcare provider, can cause serious health consequences, including death. Clinicians and public health officials should ...

Sat, 28 Mar 2020 11:00:00 EST

Information and Guidance about Global Travel on Cruise Ships, Including River Cruises, due to Coronavirus Disease 2019 (COVID-19) - Health Alert Network (HAN) No. 430
The Centers for Disease Control and Prevention (CDC) recommends all persons defer any travel on cruise ships, including river cruises, worldwide because of the increased risk of SARS-CoV-2 transmissio ...

Sun, 15 Mar 2020 17:45:00 EST

Updated Guidance on Evaluating and Testing Persons for Coronavirus Disease 2019 (COVID-19) - Health Alert Network (HAN) No. 429
The Centers for Disease Control and Prevention (CDC) continues to closely monitor and respond to the COVID-19 outbreak caused by the novel coronavirus, SARS-CoV-2. This CDC Health Alert Network (HAN) ...

Sun, 08 Mar 2020 20:15:00 EST

Update and Interim Guidance on Outbreak of Coronavirus Disease 2019 (COVID-19) - Health Alert Network (HAN) No. 428
The Centers for Disease Control and Prevention (CDC) continues to closely monitor and respond to the COVID-19 outbreak caused by the novel coronavirus, SARS-CoV-2. This CDC Health Alert Network (HAN) ...

Fri, 28 Feb 2020 15:00:00 EDT

Update and Interim Guidance on Outbreak of 2019 Novel Coronavirus (2019-nCoV) - Health Alert Network (HAN) No. 427
The Centers for Disease Control and Prevention (CDC) continues to closely monitor an outbreak of respiratory illness caused by a novel coronavirus (2019-nCoV) that was initially detected in Wuhan City ...

Sat, 01 Feb 2020 09:00:00 EDT

Update and Interim Guidance on Outbreak of 2019 Novel Coronavirus (2019-nCoV) in Wuhan, China - Health Alert Network (HAN) No. 426
Summary The Centers for Disease Control and Prevention (CDC) continues to closely monitor an outbreak of a 2019 novel coronavirus (2019-nCoV) in Wuhan City, Hubei Province, China that began in Decembe ...

Fri, 17 Jan 2020 20:30:00 EDT

Elevated Influenza Activity: Influenza B/Victoria and A(H1N1)pdm09 Viruses are the Predominant Viruses - Health Alert Network (HAN) No. 425
This health advisory notifies clinicians that influenza activity remains high in the United States. Ongoing elevated activity is due to influenza B/Victoria viruses, increasing circulation of influenz ...

Fri, 10 Jan 2020 11:40:00 EDT

Outbreak of Pneumonia of Unknown Etiology (PUE) in Wuhan, China - Health Alert Network (HAN) No. 424
The Centers for Disease Control and Prevention (CDC) is closely monitoring a reported cluster of pneumonia of unknown etiology (PUE) with possible epidemiologic links to a large wholesale fish and liv ...

Wed, 08 Jan 2020 17:55:00 EDT

Guidance for Using Rapid Diagnostic Tests for Ebola in the United States - Health Alert Network (HAN) No. 423
In October 2019, the U.S. Food and Drug Administration (FDA) allowed marketing of the OraQuick® Ebola Rapid Antigen Test, a rapid diagnostic test (RDT) for detecting Ebola virus in both symptomatic p ...

Mon, 16 Dec 2019 14:00:00 EDT

Hot Tub Displays and Legionella Risk-Guidance for Environmental and Public Health Practitioners - Health Alert Network (HAN) No. 422
Hot tub displays at temporary events may pose a risk for Legionnaires' disease, a type of pneumonia caused by inhaling mist containing Legionella bacteria. The Centers for Disease Control and Preventi ...

Fri, 15 Nov 2019 14:30:00 EDT

Severe Pulmonary Disease Associated with Using E-Cigarette Products - Health Alert Network (HAN) No. 421
The Centers for Disease Control and Prevention (CDC) is providing: 1) background information on the forms of e-cigarette products, 2) information on the multistate outbreak of severe pulmonary disease ...

Fri, 30 Aug 2019 09:35:00 EST

Nationwide Shortage of Tuberculin Skin Test Antigens: CDC Recommendations for Patient Care and Public Health Practice - Health Alert Network (HAN) No. 420
The Centers for Disease Control and Prevention (CDC) is expecting a 3 to 10 month nationwide shortage of APLISOL®, a product of Par Pharmaceuticals. APLISOL® is one of two purified-protein derivativ ...

Thu, 06 Jun 2019 11:30:00 EST

Influenza Season Continues with an Increase in Influenza A(H3N2) Activity - Health Alert Network (HAN) No. 419
The Centers for Disease Control and Prevention (CDC) is issuing this health advisory to notify clinicians that influenza activity remains high in the United States, with an increasing proportion of ac ...

Thu, 28 Mar 2019 14:15:00 EST

Update: Widespread Outbreaks of Hepatitis A among People Who Use Drugs and People Experiencing Homelessness across the United States - Health Alert Network (HAN) No. 418
Multiple states across the country have reported outbreaks of hepatitis A, primarily among people who use drugs and people experiencing homelessness. Since the hepatitis A outbreaks were first identif ...

Mon, 25 Mar 2019 13:30:00 EST

Third Case of Rifampin/Penicillin-Resistant Strain of RB51 Brucella from Consuming Raw Milk - Health Alert Network (HAN) No. 417
The New York State Department of Health and Pennsylvania Department of Health are investigating Brucella RB51 exposures that may be connected to consuming raw (unpasteurized) milk from Miller's Biodiv ...

Wed, 23 Jan 2019 15:30:00 EDT

Update-Outbreak of Life-threatening Coagulopathy Associated with Synthetic Cannabinoids Use - Health Alert Network (HAN) No. 416
The Centers for Disease Control and Prevention (CDC) is providing information on: 1) the current status of a multistate outbreak of coagulopathy from exposure to synthetic cannabinoid products contain ...

Mon, 10 Dec 2018 13:00:00 EDT

Hurricane Florence-Clinical Guidance For Carbon Monoxide (CO) Poisoning - Health Alert Network (HAN) No. 415
The Centers for Disease Control and Prevention (CDC) is reminding clinicians seeing patients from the areas affected by Hurricane Florence to maintain a high index of suspicion for CO poisoning. Other ...

Sun, 16 Sep 2018 13:45:00 EST

Advice to Clinicians about Leptospirosis in U.S. Travelers Returning from Northern Israel - Health Alert Network (HAN) No. 414
The Israeli Ministry of Health is reporting an outbreak of leptospirosis in persons with exposure to natural water sources in the Golan Heights region of northern Israel after July 1, 2018. As of Sept ...

Fri, 07 Sep 2018 13:45:00 EST

Rising Numbers of Deaths Involving Fentanyl and Fentanyl Analogs, Including Carfentanil, and Increased Usage and Mixing with Non-opioids - Health Alert Network (HAN) No. 413
This Health Alert Network (HAN) Update is to alert public health departments, health care professionals, first responders, and medical examiners and coroners to important new developments in the evolv ...

Wed, 11 Jul 2018 12:00:00 EST

Outbreak of Hepatitis A Virus (HAV) Infections among Persons Who Use Drugs and Persons Experiencing Homelessness - Health Alert Network (HAN) No. 412
The Centers for Disease Control and Prevention (CDC) and state health departments are investigating hepatitis A outbreaks in multiple states among persons reporting drug use and/or homelessness and th ...

Mon, 11 Jun 2018 08:00:00 EST

Update - CDC Recommendations for Managing and Reporting Shigella Infections with Possible Reduced Susceptibility to Ciprofloxacin - Health Alert Network (HAN) No. 411
This Health Alert Network (HAN) Update provides current recommendations on management and reporting of Shigella infections that have been treated with ciprofloxacin or azithromycin and resulted in pos ...

Thu, 07 Jun 2018 07:00:00 EST

Outbreak of Life-threatening Coagulopathy Associated with Synthetic Cannabinoids Use - Health Alert Network (HAN) No. 410
The Centers for Disease Control and Prevention (CDC) is providing information on: 1) the current status of a multistate outbreak of coagulopathy from exposure to synthetic cannabinoid products contain ...

Fri, 25 May 2018 11:30:00 EST

Seasonal Influenza A(H3N2) Activity and Antiviral Treatment of Patients with Influenza - Health Alert Network (HAN) No. 409
The Centers for Disease Control and Prevention (CDC) is providing: 1) a notice about increased influenza A(H3N2) activity and its clinical implications; 2) a summary of influenza antiviral drug treatm ...

Wed, 27 Dec 2017 05:30:00 EDT

Advice for Providers Treating Patients in or Recently Returned from Hurricane-Affected Areas, Including Puerto Rico and US Virgin Islands - Health Alert Network (HAN) No. 408
The Centers for Disease Control and Prevention (CDC) is working with federal, state, territorial, and local agencies and global health partners in response to recent hurricanes. CDC is aware of media ...

Tue, 24 Oct 2017 09:30:00 EST

Rifampin/Penicillin-Resistant Strain of RB51 Brucella Contracted from Consumption of Raw Milk - Health Alert Network (HAN) No. 407
The Texas Department of State Health Services, with assistance from CDC, is investigating Brucella RB51 exposures and illnesses that may be connected to the purchase and consumption of raw (unpasteuri ...

Wed, 13 Sep 2017 08:30:00 EST

Hurricane Harvey-Clinical Guidance for Carbon - Health Alert Network (HAN) No. 406
Carbon monoxide (CO) is an odorless, colorless, poisonous gas that can cause sudden illness and death if present in sufficient concentration in the ambient air. During a significant power outage, pers ...

Sat, 09 Sep 2017 17:30:00 EST

Increase in Reported cases of Cyclospora cayetanensis Infection, United States, Summer 2017 - Health Alert Network (HAN) No. 405
The Centers for Disease Control and Prevention (CDC), State and Local Health Departments, and the Food and Drug Administration (FDA) are investigating an increase in reported cases of cyclosporiasis. ...

Mon, 07 Aug 2017 10:00:00 EST

Patients Receiving Eculizumab (Soliris®) at High Risk for Invasive Meningococcal Disease Despite Vaccination - Health Alert Network (HAN) No. 404
Eculizumab (Soliris®) recipients have a 1,000 to 2,000-fold greater risk of invasive meningococcal disease compared to the general U.S. population. The Food and Drug Administration (FDA)-approved pre ...

Fri, 07 Jul 2017 07:00:00 EST

Potential for Falsely Low Blood Lead Test Results from LeadCare® Analyzers - Health Alert Network (HAN) No. 403
The U.S. Food and Drug Administration (FDA) has issued a safety communication warning about the use of Magellan Diagnostics' LeadCare® analyzers (LeadCare, LeadCare II, LeadCare Ultra and LeadCare Pl ...

Wed, 17 May 2017 05:00:00 EST

Prolonged IgM Antibody Response in People Infected with Zika Virus: Implications for Interpreting Serologic Testing Results for Pregnant Women - Health Alert Network (HAN) No. 402
In July 2016, CDC issued Interim Guidance for Health Care Providers Caring for Pregnant Women with Possible Zika Virus Exposure - United States, July 2016 (https://www.cdc.gov/mmwr/volumes/65/wr/mm652 ...

Fri, 05 May 2017 07:30:00 EST

CDC Recommendations for Diagnosing and Managing Shigella Strains with Possible Reduced Susceptibility to Ciprofloxacin - Health Alert Network (HAN) No. 401
This Health Advisory describes the identification of emerging Shigella strains with elevated minimum inhibitory concentration values for ciprofloxacin and outlines new recommendations for clinical dia ...

Tue, 18 Apr 2017 12:00:00 EST

Investigation of Seoul Virus Outbreak Associated with Home-based, Rat-breeding Facilities in Wisconsin and Illinois - Health Alert Network (HAN) No. 400
CDC and health officials from Wisconsin and Illinois are conducting an investigation of Seoul virus infections among pet rats and persons exposed to rats at rat-breeding facilities in Wisconsin and Il ...

Tue, 24 Jan 2017 09:00:00 EDT

Health Alert Network (HAN) No. 399 -CDC Guidance for Travel and Testing of Pregnant Women and Women of Reproductive Age for Zika Virus Infection Related to the Investigation for Local Mosquito-borne Zika Virus Transmission in Brownsville, Cameron County, Texas - Health Alert Network (HAN) No. 399
On November 28, 2016, the Texas Department of State Health Services (TDSHS) reported the first case of locally acquired mosquito-borne Zika virus infection in the city of Brownsville, Cameron County, ...

Wed, 14 Dec 2016 12:57:00 EDT

CDC Updates Guidance for Pregnant Women and Women and Men of Reproductive Age for Zika Virus Infection Related to the Ongoing Investigation of Local Mosquito-borne Zika Virus Transmission in Miami-Dade County, Florida - Health Alert Network (HAN) No. 398
The U.S. Centers for Disease Control and Prevention (CDC) previously issued travel, testing, and other guidance related to areas of active Zika virus transmission in Florida. Because local transmissio ...

Wed, 19 Oct 2016 13:00:00 EST

CDC Advises Hospitals to Alert Patients at Risk from Contaminated Heater-Cooler Devices Used during Cardiac Surgery - Health Alert Network (HAN) No. 397
The Centers for Disease Control and Prevention (CDC) is advising hospitals to notify patients who underwent open-heart (open-chest) surgery involving a Stöckert 3T heater-cooler that the device was p ...

Thu, 13 Oct 2016 09:00:00 EST

CDC Updates Guidance for Travel and Testing of Pregnant Women and Women of Reproductive Age for Zika Virus Infection Related to the Ongoing Investigation of Local Mosquito-borne Zika Virus Transmission in Miami-Dade County, Florida - Health Alert Network (HAN) No. 396
CDC previously issued travel, testing, and other guidance related to local mosquito-borne Zika virus transmission (active Zika virus transmission) that the Florida Department of Health (FL DOH) identi ...

Tue, 20 Sep 2016 07:45:00 EST

Influx of Fentanyl-laced Counterfeit Pills and Toxic Fentanyl-related Compounds Further Increases Risk of Fentanyl-related Overdose and Fatalities - Health Alert Network (HAN) No. 395
On October 26, 2015, CDC issued HAN 384 (http://emergency.cdc.gov/han/han00384.asp) that alerted (1) public health departments, health care professionals, first responders, and medical examiners and c ...

Thu, 25 Aug 2016 13:00:00 EST

CDC Expands Guidance for Travel and Testing of Pregnant Women, Women of Reproductive Age, and Their Partners for Zika Virus Infection Related to Mosquito-borne Zika Virus Transmission in Miami-Dade, Florida - Health Alert Network (HAN) No. 394
CDC has previously issued travel, testing, and other guidance for local mosquito-borne Zika virus transmission (active Zika virus transmission) for a one-square-mile area in the Wynwood area of Miami ...

Fri, 19 Aug 2016 12:35:00 EST

CDC Guidance for Travel and Testing of Pregnant Women and Women of Reproductive Age for Zika Virus Infection Related to the Investigation for Local Mosquito-borne Zika Virus Transmission in Miami-Dade and Broward Counties, Florida - Health Alert Network (HAN) No. 393
The Florida Department of Health (FL DOH) has identified an area with local mosquito-borne Zika virus transmission (active Zika virus transmission) in Miami (http://www.cdc.gov/zika/intheus/florida-up ...

Mon, 01 Aug 2016 10:05:00 EST

CDC Recommendations for Subsequent Zika IgM Antibody Testing - Health Alert Network (HAN) No. 392
Testing for Zika virus infection using real-time reverse-transcription polymerase chain reaction (rRT-PCR) molecular assays is now commercially available. When requesting Zika rRT-PCR testing from a c ...

Tue, 21 Jun 2016 07:40:00 EST

Best Practices for Using PCR to Diagnose Haemophilus influenzae and Neisseria meningitidis and Identify Serotype or Serogroup - Health Alert Network (HAN) No. 391
Determining serotype for Haemophilus influenzae (Hi) and serogroup for Neisseria meningitidis (Nm) is crucial for identifying potential outbreaks and determining appropriate public health responses. S ...

Fri, 17 Jun 2016 09:30:00 EST

Alert to U.S. Healthcare Facilities: First mcr-1 Gene in E. coli Bacteria found in a Human in the United States - Health Alert Network (HAN) No. 390
The Centers for Disease Control and Prevention (CDC) is collaborating in a coordinated public health response to the Department of Defense (DoD) announcement on May 26 of the first mcr-1 gene found in ...

Mon, 13 Jun 2016 09:35:00 EST

Diagnostic Testing of Urine Specimens for Suspected Zika Virus Infection - Health Alert Network (HAN) No. 389
On May 13, 2016, the Centers for Disease Control and Prevention (CDC) issued interim guidance (http://www.cdc.gov/mmwr/volumes/65/wr/mm6518e1.htm) that recommends Zika virus rRT-PCR testing of urine c ...

Wed, 25 May 2016 13:00:00 EST

Update: Interim Guidelines for Prevention of Sexual Transmission of Zika Virus - United States, 2016 - Health Alert Network (HAN) No. 388
The Centers for Disease Control and Prevention (CDC) recently published recommendations for protecting people against sexual transmission of Zika virus (1). As stated in that report, information about ...

Tue, 23 Feb 2016 09:16:00 EDT

Flu Season Begins: Severe Influenza Illness Reported - CDC urges rapid antiviral treatment of very ill and high risk suspect influenza patients without waiting for testing - Health Alert Network (HAN) No. 387
Influenza activity is increasing across the country and CDC has received reports of severe influenza illness. Clinicians are reminded to treat suspected influenza in high-risk outpatients, those with ...

Mon, 01 Feb 2016 03:50:00 EDT

CDC Urging Dialysis Providers and Facilities to Assess and Improve Infection Control Practices to Stop Hepatitis C Virus Transmission in Patients Undergoing Hemodialysis - Health Alert Network (HAN) No. 386
The Centers for Disease Control and Prevention (CDC) has received an increased number of reports of newly acquired hepatitis C virus (HCV) infection among patients undergoing hemodialysis. Infection c ...

Wed, 27 Jan 2016 05:30:00 EDT

Recognizing, Managing, and Reporting Zika Virus Infections in Travelers Returning from Central America, South America, the Caribbean, and Mexico - Health Alert Network (HAN) No. 385
In May 2015, the World Health Organization reported the first local transmission of Zika virus in the Western Hemisphere, with autochthonous (locally acquired) cases identified in Brazil. As of Januar ...

Fri, 15 Jan 2016 16:30:00 EDT

Increases in Fentanyl Drug Confiscations and Fentanyl-related Overdose Fatalities - Health Alert Network (HAN) No. 384
The Centers for Disease Control and Prevention (CDC) and the Drug Enforcement Administration (DEA) are investigating recent increases in fentanyl-related unintentional overdose fatalities in multiple ...

Mon, 26 Oct 2015 04:15:00 EST

CDC/FDA Health Update about the Immediate Need for Healthcare Facilities to Review Procedures for Cleaning, Disinfecting, and Sterilizing Reusable Medical Devices - Health Alert Network (HAN) No. 383
On September 11, 2015, CDC issued HAN 00382 alerting healthcare providers and facilities about the public health need to properly maintain, clean, and disinfect or sterilize reusable medical devices. ...

Fri, 02 Oct 2015 04:00:00 EST

Immediate Need for Healthcare Facilities to Review Procedures for Cleaning, Disinfecting, and Sterilizing Reusable Medical Devices - Health Alert Network (HAN) No. 382
The Centers for Disease Control and Prevention (CDC) and U.S. Food and Drug Administration (FDA) are alerting healthcare providers and facilities about the public health need to properly maintain, cle ...

Fri, 11 Sep 2015 08:15:00 EST

Clinical Considerations for the Evaluation of Ill Travelers from Liberia to the United States - Health Alert Network (HAN) No. 381
CDC recommends that healthcare providers consider not only Ebola virus disease (EVD), but also other much more likely infectious diseases, including malaria, when evaluating ill travelers from Liberia ...

Fri, 19 Jun 2015 09:45:00 EST

Updated Information and Guidelines for Evaluation of Patients for Middle East Respiratory Syndrome Coronavirus (MERS-CoV) Infection - Health Alert Network (HAN) No. 380
The Centers for Disease Control and Prevention (CDC) continues to work with the World Health Organization (WHO) and other partners to closely monitor Middle East Respiratory Syndrome Coronavirus (MERS ...

Thu, 11 Jun 2015 10:00:00 EST

Ciprofloxacin- and Azithromycin-Nonsusceptible Shigellosis in the United States - Health Alert Network (HAN) No. 379
CDC continues to receive new reports of infections with Shigella strains that are not susceptible to ciprofloxacin and/or azithromycin, the antimicrobial agents most commonly used to treat shigellosis ...

Thu, 04 Jun 2015 12:15:00 EST

Bird Infections with Highly-Pathogenic Avian Influenza A (H5N2), (H5N8), and (H5N1) Viruses: Recommendations for Human Health Investigations and Response - Health Alert Network (HAN) No. 378
Highly-pathogenic avian influenza A H5 viruses have been identified in birds in the United States since December 2014. The purpose of this HAN Advisory is to notify public health workers and clinician ...

Tue, 02 Jun 2015 11:30:00 EST

Outbreak of Recent HIV and HCV Infections among Persons Who Inject Drugs - Health Alert Network (HAN) No. 377
The Indiana State Department of Health (ISDH) and the Centers for Disease Control and Prevention (CDC) are investigating a large outbreak of recent human immunodeficiency virus (HIV) infections among ...

Fri, 24 Apr 2015 07:00:00 EST

U.S. Multi-state Measles Outbreak, December 2014-January 2015 - Health Alert Network (HAN) No. 376
The Centers for Disease Control and Prevention (CDC) and State Health Departments are investigating a multi-state outbreak of measles associated with travel to Disneyland Resort Theme Parks (which inc ...

Fri, 23 Jan 2015 11:00:00 EDT

CDC Health Update Regarding Treatment of Patients with Influenza with Antiviral Medications - Health Alert Network (HAN) No. 375
Widespread influenza activity is being reported in most U.S. states, with influenza A (H3N2) viruses most common. H3N2-predominant flu seasons have been associated with more hospitalizations and death ...

Fri, 09 Jan 2015 06:00:00 EDT