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Health Alert Network (HAN)

CDC Stacks Public Health Publications

The Health Alert Network (HAN) is CDC's primary method of sharing cleared information about urgent public health incidents with public information officers; federal, state, territorial, and local public health practitioners; clinicians; and public health laboratories. CDC’s HAN collaborates with federal, state, territorial, county, and city partners to develop protocols and stakeholder relationships that will ensure a robust interoperable platform for the rapid distribution of public health information. The items in this collection are archived past alerts. For the most up to date information, go to https://www.cdc.gov/han/index.html.

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Showing 61 - 80 of 528 results
  • Highly Pathogenic Avian Influenza AH5N1 Virus Recommendations for Human Health Investigations and Response Friday April 29 2022 800 PM ET
    Highly Pathogenic Avian Influenza A(H5N1) Virus: Recommendations for Human Health Investigations and Response [Friday, April 29, 2022, 8:00 PM ET]
    Centers for Disease Control and Prevention (U.S.). Health Alert Network (HAN)
    April 29, 2022 | Health Alert Network
    Friday, April 29, 2022, 8:00 PM ETCDCHAN-00464A 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 Public Health and Environment on April 28, 2022. This case occurred in a person who had direct exposure ...
    Retired Supporting Files Public Domain
  • Updated Recommendations for Adenovirus Testing and Reporting of Children with Acute Hepatitis of Unknown Etiology May 11 2022 1215 PM ET
    Updated Recommendations for Adenovirus Testing and Reporting of Children with Acute Hepatitis of Unknown Etiology [May 11, 2022, 12:15 PM ET]
    Centers for Disease Control and Prevention (U.S.). Health Alert Network (HAN)
    April 29, 2022 | Health Alert Network
    May 11, 2022, 12:15 PM ETCDCHAN-00465The 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 epidemiologic investigation of pediatric cases of hepatitis of unknown etiology in the United States. This investigat ...
    Retired Supporting Files Public Domain
  • Updated Information on Availability and Use of Treatments for Outpatients with Mild to Moderate COVID19 Who Are at Increased Risk for Severe Outcomes of COVID19 Monday April 25 2022 100 PM ET
    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 [Monday, April 25, 2022, 1:00 PM ET]
    Centers for Disease Control and Prevention (U.S.). Health Alert Network (HAN)
    April 25, 2022 | Health Alert Network
    Monday, April 25, 2022, 1:00 PM ETCDCHAN-00463The 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 availability and use of recommended therapies for COVID-19 and to advise against using unproven treatments t ...
    Retired Supporting Files Public Domain
  • Recommendations for Adenovirus Testing and Reporting of Children with Acute Hepatitis of Unknown Etiology Thursday April 21 2022 1100 AM ET
    Recommendations for Adenovirus Testing and Reporting of Children with Acute Hepatitis of Unknown Etiology [Thursday, April 21, 2022, 11:00 AM ET]
    Centers for Disease Control and Prevention (U.S.). Health Alert Network (HAN)
    April 21, 2022 | Health Alert Network
    Thursday, April 21, 2022, 11:00 AM ETCDCHAN-00462The 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 with hepatitis and adenovirus infection. In November 2021, clinicians at a large children’s hospital i ...
    Retired Supporting Files Public Domain
  • Using Therapeutics to Prevent and Treat COVID19 Friday December 31 2021 500 PM ET
    Using Therapeutics to Prevent and Treat COVID-19 [Friday, December 31, 2021, 5:00 PM ET]
    Centers for Disease Control and Prevention (U.S.). Health Alert Network (HAN)
    December 31, 2021 | Health Alert Network
    Friday, December 31, 2021, 5:00 PM ETCDCHAN-00461The 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 that eligible individuals should get all vaccines and booster shots as the best preventive measure av ...
    Retired Supporting Files Public Domain
  • Rapid Increase of Omicron Variant Infections in the United States Management of Healthcare Personnel with SARSCoV2 Infection or Exposure Friday December 24 2021 700 PM ET
    Rapid Increase of Omicron Variant Infections in the United States: Management of Healthcare Personnel with SARS-CoV-2 Infection or Exposure [Friday, December 24, 2021, 7:00 PM ET]
    Centers for Disease Control and Prevention (U.S.). Health Alert Network (HAN)
    December 24, 2021 | Health Alert Network
    Friday, December 24, 2021, 7:00 PM ETCDCHAN-00460Due 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 recommendations to enhance protection for healthcare personnel, patients, and visitors, and ensure ad ...
    Retired Supporting Files Public Domain
  • New SARSCoV2 Variant of Concern Identified Omicron B11529 Variant December 1 2021 1100 PM ET
    New SARS-CoV-2 Variant of Concern Identified: Omicron (B.1.1.529) Variant [December 1, 2021, 11:00 PM ET]
    Centers for Disease Control and Prevention (U.S.). Health Alert Network (HAN)
    December 1, 2021 | Health Alert Network
    December 1, 2021, 11:00 PM ETCDCHAN-00459Omicron, 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 about Omicron currently, it is important for the public health and medical communities as well as the genera ...
    Retired Supporting Files Public Domain
  • Increasing Seasonal Influenza a H3N2 Activity Especially Among Young Adults and in College and University Settings During SARSCoV2 CoCirculation November 24 2021 1100 AM ET
    Increasing Seasonal Influenza a (H3N2) Activity, Especially Among Young Adults and in College and University Settings, During SARS-CoV-2 Co-Circulation [November 24, 2021, 11:00 AM ET]
    Centers for Disease Control and Prevention (U.S.). Health Alert Network (HAN)
    November 24, 2021 | Health Alert Network
    November 24, 2021, 11:00 AM ETCDCHAN-00458The 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 2021-2022 influenza season. The purpose of this HAN Health Advisory is to1. Remind public health practitioners and c ...
    Retired Supporting Files Public Domain
  • Update Expansion of Recall of LeadCare Blood Lead Tests Due to Risk of Falsely Low Results November 5 2021 1000 AM ET
    Update: Expansion of Recall of LeadCare Blood Lead Tests Due to Risk of Falsely Low Results [November 5, 2021, 10:00 AM ET]
    Centers for Disease Control and Prevention (U.S.). Health Alert Network (HAN)
    11/05/2021 | Health Alert Network
    November 5, 2021, 10:00 AM ETCDCHAN-00457The 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 Risk of Falsely Low Results that CDC issued on October 14, 2021. The purpose of this HAN Update is to clarify o ...
    Retired Supporting Files Public Domain
  • Source Identified and Case Definition Established Multistate Investigation of NonTravel Associated Burkholderia pseudomallei Infections Melioidosis in Four Patients Georgia Kansas Minnesota and Texas 2021 November 03 2021
    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 [November 03, 2021]
    Centers for Disease Control and Prevention (U.S.). Health Alert Network (HAN)
    November 3, 2021  | Health Alert Network
    November 03, 2021, 11:00 AM ETCDCHAN-00456Whole 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 strain that sickened all four patients. The outbreak strain was identified in a bottle of “Lavender & Chamo ...
    Retired Supporting Files Public Domain
  • Source Implicated in Fatal Case in Georgia Multistate Outbreak of NonTravel Associated Burkholderia pseudomallei Infections Melioidosis in Four Patients Georgia Kansas Minnesota and Texas2021 October 22 2021
    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 [October 22, 2021]
    Centers for Disease Control and Prevention (U.S.). Health Alert Network (HAN)
    October 22, 2021  | Health Alert Network
    October 22, 2021, 6:15 PM ETCDCHAN-00455Testing 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 infected with and died from Burkholderia pseudomallei infection (melioidosis) in July 2021. This Georgia patie ...
    Retired Supporting Files Public Domain
  • Expansion of Recall of LeadCare Blood Lead Tests Due to Risk of Falsely Low Results October 14 2021 1000 AM ET
    Expansion of Recall of LeadCare Blood Lead Tests Due to Risk of Falsely Low Results [October 14, 2021, 10:00 AM ET]
    Centers for Disease Control and Prevention (U.S.). Health Alert Network (HAN)
    October 14, 2021 | Health Alert Network
    October 14, 2021, 10:00 AM ETCDCHAN-00454Magellan 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 Ultra Blood Lead Tests, which were distributed from October 27, 2020, to August 19, 2021. Additional LeadCare II ...
    Retired Supporting Files Public Domain
  • COVID19 Vaccination for Pregnant People to Prevent Serious Illness Deaths and Adverse Pregnancy Outcomes from COVID19 September 29 2021 1200 PM ET
    COVID-19 Vaccination for Pregnant People to Prevent Serious Illness, Deaths, and Adverse Pregnancy Outcomes from COVID-19 [September 29, 2021, 12:00 PM ET]
    Centers for Disease Control and Prevention (U.S.). Health Alert Network (HAN)
    September 29, 2021 | Health Alert Network
    September 29, 2021, 12:00 PM ETCDCHAN-00453The 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 those who are lactating), who are trying to become pregnant now, or who might become pregnant in the future. ...
    Retired Supporting Files Public Domain
  • FAQs about medical consent PfizerBioNTech booster doses for longterm care residents a resource for providers participating in the CDC COVID19 vaccination program longterm care residents their families
    FAQs about medical consent & Pfizer-BioNTech booster doses for long-term care residents : a resource for providers participating in the CDC COVID-19 vaccination program, long-term care residents & their families
    National Center for Immunization and Respiratory Diseases (U.S.)
    September 27, 2021
    In response to inquiries about medical consent surrounding the administration of a booster shot of Pfizer-BioNTech COVID-19 vaccine to residents in long-term care (LTC) settings at least six months after their Pfizer-BioNTech primary series , the Centers for Disease Control and Prevention (CDC) has developed the following responses to frequently as ...
    Superseded Supporting Files Public Domain
  • Guidance for Clinicians Caring for Individuals Recently Evacuated from Afghanistan September 20 2021 345 PM ET
    Guidance for Clinicians Caring for Individuals Recently Evacuated from Afghanistan [September 20, 2021, 3:45 PM ET]
    Centers for Disease Control and Prevention (U.S.). Health Alert Network (HAN)
    September 20, 2021 | Health Alert Network
    September 20, 2021, 3:45 PM ETCDCHAN-00452The 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, leishmaniasis, and malaria, among evacuees (including both Afghan nationals and U.S. citizens) from Afghanist ...
    Retired Supporting Files Public Domain
  • Increases in Availability of Cannabis Products Containing Delta8 THC and Reported Cases of Adverse Events September 14 2021 1000 AM ET
    Increases in Availability of Cannabis Products Containing Delta-8 THC and Reported Cases of Adverse Events [September 14, 2021, 10:00 AM ET]
    Centers for Disease Control and Prevention (U.S.). Health Alert Network (HAN)
    September 14, 2021 | Health Alert Network
    September 14, 2021, 10:00 AM ETCDCHAN-00451The 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 to the increased availability of cannabis products containing delta-8 tetrahydrocannabinol (THC) and the pot ...
    Retired Supporting Files Public Domain
  • Hurricane Ida Clinical Guidance for Carbon Monoxide CO Poisoning August 28 2021 900 AM ET
    Hurricane Ida: Clinical Guidance for Carbon Monoxide (CO) Poisoning [August 28, 2021, 9:00 AM ET]
    Centers for Disease Control and Prevention (U.S.). Health Alert Network (HAN)
    August 28, 2021 | Health Alert Network
    August 28, 2021, 9:00 AM ETCDCHAN-00450The 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 maintain a high index of suspicion for carbon monoxide (CO) poisoning. Other people who may be exposed to the sam ...
    Retired Supporting Files Public Domain
  • Rapid Increase in Ivermectin Prescriptions and Reports of Severe Illness Associated with Use of Products Containing Ivermectin to Prevent or Treat COVID19 August 26 2021 1140 AM ET 00449
    Rapid Increase in Ivermectin Prescriptions and Reports of Severe Illness Associated with Use of Products Containing Ivermectin to Prevent or Treat COVID-19 [August 26, 2021, 11:40 AM ET 00449]
    Centers for Disease Control and Prevention (U.S.). Health Alert Network (HAN)
    August 26, 2021 | Health Alert Network
    August 26, 2021, 11:40 AM ET CDCHAN-00449Ivermectin 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 approved indications, it is generally safe and well tolerated.During the COVID-19 pandemic, ivermectin dispensing by ...
    Retired Supporting Files Public Domain
  • New Case Identified Multistate Investigation of NonTravel Associated Burkholderia pseudomallei Infections Melioidosis in Four Patients Georgia Kansas Minnesota and Texas2021 August 09 2021
    New Case Identified: Multistate Investigation of Non-Travel Associated Burkholderia pseudomallei Infections (Melioidosis) in Four Patients: Georgia, Kansas, Minnesota, and Texas—2021 [August 09, 2021]
    Centers for Disease Control and Prevention (U.S.). Health Alert Network (HAN)
    August 9, 2021 | Health Alert Network
    August 9, 2021, 11:40 AM ETCDCHAN-00448The 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., melioidosis) identified in late July 2021. Based on genomic analysis, this case in Georgia closely matches the three ca ...
    Retired Supporting Files Public Domain
  • Vaccination to Prevent COVID19 Outbreaks with Current and Emergent Variants United States 2021 July 27 2021 400 PM ET
    Vaccination to Prevent COVID-19 Outbreaks with Current and Emergent Variants — United States, 2021 [July 27, 2021, 4:00 PM ET]
    Centers for Disease Control and Prevention (U.S.). Health Alert Network (HAN)
    July 27, 2021 | Health Alert Network
    July 27, 2021, 4:00 PM ETCDCHAN-00447The 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-19 vaccination coverage (i.e., the percentage of the population fully vaccinated) across the United States to prev ...
    Retired Supporting Files Public Domain
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