Health Alert Network (HAN)
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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Event Name
- 2019 Novel Coronavirus 5
- 2019 Novel Coronavirus, Wuhan, China 7
- Acute Respiratory Illness, 2003 1
- Anthrax Bioterrorism Event, 2001 1
- Canine Rabies, 2004 1
- Chikungunya Virus Infections, 2013 1
- Diagnostic Testing Guidelines, 2002 1
- Earthquake in Haiti (January 12, 2010) 1
- Ebola Outbreak in West Africa (March 2014-present) 13
- Enterovirus D68 (2014-) 1
- Equine Rabies, 2006 1
- Gastroenteritis, 2002 1
- Hantavirus 1
- Hantavirus Pulmonary Syndrome, 2012 1
- Hepatitis A, 2003 3
- Hepatitis A, 2007 2
- Hepatitis A, 2018 2
- Human Influenza A (H1N1), 2009 23
- Human Influenza A (H1N1), 2010 4
- Human Influenza A (H1N1), 2012 1
- Human Influenza A (H1N1), 2013 1
- Human Influenza A (H2N2) Sample Recommendations, 2005 3
- Human Influenza A (H3N2), 2003 1
- Human Influenza A (H3N2), 2010 1
- Human Influenza A (H3N2), 2014 2
- Human Influenza A (H3N2), 2019 1
- Human Influenza A (H3N2v), 2012 1
- Human Influenza A (H3N2v), 2013 1
- Human Influenza A (H5N1), 2003 3
- Human Influenza A (H5N1), 2004 4
- Human Influenza A (H5N1), 2005 1
- Human Influenza A (H5N1), 2006 1
- Human Influenza A (H5N1), 2014 1
- Human Influenza A (H5N1) - Travel-related, 2014 1
- Human Influenza A (H5N2), 2004 1
- Human Influenza A (H7N7) - The Netherlands, 2003 1
- Human Influenza A (H7N9), 2013 2
- Human Influenza A (H9N2), 2003 1
- Human Rabies, 2005 1
- Human Rabies, 2006 1
- Human Rabies - Multistate, 2004 1
- Human Rabies Vaccine Recall, 2004 2
- Influenza-Associated Child Mortality, 2003 1
- Influenza-Associated Child Mortality, 2007 1
- Influenza-Associated Child Mortality, 2008 1
- Influenza Antiviral Agents Guidelines, 2009 4
- Influenza Antiviral Drug Resistance, 2009 1
- Influenza A Virus, H3N2 Subtype 1
- Influenza HPAI (H5N1), 2014- 1
- Influenza Primary Prevention, 2003 3
- Influenza Secondary Prevention, 2003 3
- Influenza Vaccination Recommendations, 2004 1
- Influenza Vaccination Recommendations, 2005 1
- Influenza Vaccination Recommendations, 2009 1
- Influenza Vaccination Recommendations, 2010 3
- Influenza Vaccine Reallocation, 2004 2
- Influenza Vaccine Recall, 2009 2
- Influenza Vaccine Recall, 2010 1
- Influenza Vaccine Shortage, 2003 1
- Influenza Vaccine Shortage, 2004 5
- Laboratory Proficiency Testing, 2005 3
- Lassa Fever, 2004 3
- Marburg Virus Disease, Angola (2005) 1
- Measles (January 1-April 25, 2008) 1
- Measles, 2003 1
- Measles, 2004 6
- Measles, 2011 1
- Measles Outbreak, Dec. 2014-Jan. 2015 1
- Middle East Respiratory Syndrome - Coronavirus (MERS-CoV) (June 2013) 5
- Middle East Respiratory Syndrome - Indiana, 2014 2
- Monkeypox, 2003 5
- Monkeypox, 2022 2
- Monkeypox - Wisconsin, Illinois, and Indiana, 2003 1
- Mumps, 2006 2
- Mumps, 2010 1
- National Influenza Vaccination Week, 2006 1
- Organ Transplantation Complications - Multistate, 2004 1
- Pneumococcal Vaccination Recommendations, 2009 1
- Potential Dengue Virus Infection, 2010 1
- Potential Dengue Virus Infection - Travel-related, 2010 1
- Potential Rabies Exposure, 2006 1
- Rotavirus Vaccine Usage Recommendations, 2010 1
- Severe Acute Respiratory Syndrome, 2003 28
- Severe Acute Respiratory Syndrome, 2004 5
- Smallpox Preparedness, 2001 1
- Smallpox Preparedness, 2002 5
- Smallpox Preparedness, 2003 5
- Smallpox Vaccine Recommendations, 2002 3
- Smallpox Vaccine Recommendations, 2003 4
- Staphylococcus Infections, 2007 1
- Staphylococcus Infections, 2008 1
- West Nile Virus Activity, 2002 12
- Zika Virus 10
Agent Type
- Virus (241)
Agent
- 2019 Novel Coronavirus 3
- Adenoviridae 2
- Bacillus anthracis 1
- Chikungunya virus 1
- Coronavirus 13
- Dengue Virus 3
- Ebolavirus 14
- Enterovirus 1
- Flaviviridae Infections 1
- Hantavirus Infections 1
- Hemorrhagic Fever, Ebola 1
- Hepacivirus 1
- Hepatitis, Viral, Human 1
- Hepatitis A Virus, Human 7
- HIV 1
- Influenza A virus 8
- Influenza A Virus, H1N1 Subtype 30
- Influenza A Virus, H1N1 Subtype Influenza B virus 1
- Influenza A Virus, H1N2 Subtype 1
- Influenza A Virus, H2N2 Subtype 3
- Influenza A Virus, H3N2 Subtype 10
- Influenza A Virus, H3N2v Subtype 2
- Influenza A Virus, H5N1 Subtype 12
- Influenza A Virus, H5N2 Subtype 2
- Influenza A Virus, H7N7 Subtype 1
- Influenza A Virus, H7N9 Subtype 2
- Influenza A Virus, H9N2 Subtype 1
- Influenza A virus Influenza B virus 4
- Influenza B virus 9
- Lassa virus 3
- Marburgvirus 2
- Measles 2
- Measles virus 10
- Middle East Respiratory Syndrome coronavirus 4
- Middle East Respiratory Syndrome Coronavirus 1
- Monkeypox virus 13
- Mumps virus 3
- Norovirus 1
- Norwalk virus 1
- Oseltamivir 5
- Parechovirus 1
- Pitman-Moore virus 2
- Pneumonia, Viral 1
- Porcine circovirus Type 1 1
- Rabies virus 6
- Respiratory Syncytial Viruses 2
- Rotavirus 1
- SARS-CoV-2 1
- SARS Virus 32
- Sin Nombre virus 1
- Staphylococcus aureus 2
- Streptococcus pneumoniae 1
- Vaccinia 10
- Variola 2
- West Nile virus 12
- Zanamivir 3
- Zika Virus 7
- Zika Virus Infection 3
Publication Year
Medical Subject
- Acute Disease 2
- Adolescent 2
- Adoption 4
- Aircraft 5
- Air Travel 9
- Antiviral Agents 6
- Antiviral Agents/administration & dosage 4
- Antiviral Agents/therapeutic use 4
- Betacoronavirus 3
- Bioterrorism 5
- Blood Transfusion 2
- Case Definition 7
- Child 13
- Child, Preschool 9
- Communicable Disease Control 6
- Communicable Diseases, Emerging 9
- Contact Tracing 3
- Coronavirus 2
- Coronavirus Infections 10
- Coronavirus Infections/drug therapy 2
- Coronavirus Infections/prevention & control 5
- COVID-19 12
- COVID-19 Vaccines 3
- COVID-19/drug therapy 2
- COVID-19/prevention & control 3
- COVID-19/therapy 3
- Dengue 3
- Disease Outbreaks 73
- Drug Recalls 6
- Ebolavirus 13
- Emigration and Immigration 3
- Environmental Exposure 4
- Fatal Outcome 5
- Food Handling 3
- Health Personnel 8
- Hemorrhagic Fever, Ebola 14
- Hemorrhagic Fever, Ebola/diagnosis 4
- Hemorrhagic Fever, Ebola/epidemiology 3
- Hepatitis A 7
- Infant 8
- Infant, Newborn 4
- Infection Control 3
- Infection Control/methods 4
- Influenza, Human 42
- Influenza, Human/diagnosis 4
- Influenza, Human/drug therapy 11
- Influenza, Human/epidemiology 5
- Influenza, Human/prevention & control 22
- Influenza A virus 4
- Influenza A Virus, H1N1 Subtype 30
- Influenza A Virus, H2N2 Subtype 3
- Influenza A Virus, H3N2 Subtype 9
- Influenza A Virus, H5N1 Subtype 12
- Influenza A Virus, H7N9 Subtype 4
- Influenza B virus 3
- Influenza in Birds 9
- Influenza Vaccines 13
- Influenza Vaccines/administration & dosage 4
- Influenza Vaccines/supply & distribution 7
- Laboratories 3
- Lassa Fever 3
- Measles 12
- Measles Vaccine 3
- Middle East Respiratory Syndrome Coronavirus 5
- Mpox (monkeypox) 9
- Mpox (monkeypox)/prevention & control 3
- Mumps 3
- Organ Transplantation 3
- Oseltamivir 3
- Pneumonia 6
- Population Surveillance 4
- Pregnant Women 7
- Public Health Surveillance 6
- Rabies 5
- Respiratory Tract Infections 11
- Restaurants 3
- Safe Sex 3
- SARS-CoV-2 3
- SARS Virus 3
- Seasons 6
- Severe Acute Respiratory Syndrome 32
- Severe Acute Respiratory Syndrome/diagnosis 4
- Severe Acute Respiratory Syndrome/epidemiology 3
- Severe Acute Respiratory Syndrome/prevention & control 3
- Ships 4
- Smallpox 3
- Smallpox/prevention & control 4
- Smallpox Vaccine 5
- Smallpox Vaccine/adverse effects 4
- Substance Abuse, Intravenous 3
- Syringes 3
- Travel 19
- Vaccination 16
- Vaccination/adverse effects 3
- Vaccination/standards 4
- West Nile Fever/epidemiology 3
- West Nile Virus 4
- Zika Virus Infection 6
- Zika Virus Infection/diagnosis 5
- Zika Virus Infection/transmission 4
Personal Author
Corporate Author
- California. Department of Public Health. 1
- Center for Preparedness and Response (U.S.) 2
- Centers for Disease Control and Prevention (U.S. 2
- Centers for Disease Control and Prevention (U.S.) 233
- Centers for Disease Control and Prevention (U.S.). Center for Preparedness and Response. 2
- Centers for Disease Control and Prevention (U.S.). Emergency Operations Center. Joint Information Center. 4
- College of American Pathologists. 1
- United States. Advisory Committee on Immunization Practices. 1
- United States. Environmental Protection Agency. 8
- United States. Food and Drug Administration. 7
- United States. National Park Service. 1
- World Health Organization. 2
Place as Subject
- Afghanistan 1
- Africa 1
- Africa, Western 10
- Alabama 2
- Angola 1
- Arizona 2
- Arkansas 1
- Asia 1
- British Columbia 1
- California 6
- Canada 2
- Caribbean Region 2
- Central America 1
- Chicago, Illinois 1
- China 14
- Colorado 3
- Democratic Republic of the Congo 1
- England 1
- Equatorial Guinea 1
- Ethiopia 1
- Europe 1
- Florida 7
- France 1
- Georgia 4
- Ghana 1
- Haiti 1
- Hong Kong 2
- Illinois 4
- Indiana 5
- Iowa 4
- Kansas 2
- Kentucky 2
- Liberia 1
- Mali 1
- Massachusetts 2
- Mexico 2
- Miami-Dade County (Fla.) 2
- Miami Beach (Fla.) 3
- Michigan 3
- Micronesia 1
- Mississippi 3
- Missouri 3
- Nebraska 1
- Netherlands 1
- New Jersey 3
- New York 3
- New York City, NY 2
- Nigeria 1
- Ohio 3
- Oklahoma 1
- Oregon 2
- Pennsylvania 2
- Singapore 1
- South America 1
- Southeastern United States 2
- Taiwan 1
- Tanzania 1
- Tennessee 5
- Texas 10
- Uganda 1
- United States 111
- Utah 1
- Vietnam 1
- Virginia 2
- Washington 1
- West Virginia 2
- Wisconsin 3
- Wynwood (Miami, Fla.) 2
Resource Type General
Resource Type Specific
- Guidance 9
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- 2019 Novel Coronavirus (5)
- 2019 Novel Coronavirus, Wuhan, China (7)
- Acute Respiratory Illness, 2003 (1)
- Anthrax Bioterrorism Event, 2001 (1)
- Canine Rabies, 2004 (1)
- Chikungunya Virus Infections, 2013 (1)
- Diagnostic Testing Guidelines, 2002 (1)
- Earthquake in Haiti (January 12, 2010) (1)
- Ebola Outbreak in West Africa (March 2014-present) (13)
- Enterovirus D68 (2014-) (1)
- Equine Rabies, 2006 (1)
- Gastroenteritis, 2002 (1)
- Hantavirus (1)
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- Hepatitis A, 2003 (3)
- Hepatitis A, 2007 (2)
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- Human Influenza A (H1N1), 2009 (23)
- Human Influenza A (H1N1), 2010 (4)
- Human Influenza A (H1N1), 2012 (1)
- Human Influenza A (H1N1), 2013 (1)
- Human Influenza A (H2N2) Sample Recommendations, 2005 (3)
- Human Influenza A (H3N2), 2003 (1)
- Human Influenza A (H3N2), 2010 (1)
- Human Influenza A (H3N2), 2014 (2)
- Human Influenza A (H3N2), 2019 (1)
- Human Influenza A (H3N2v), 2012 (1)
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- Human Influenza A (H9N2), 2003 (1)
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- Human Rabies, 2006 (1)
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- Human Rabies Vaccine Recall, 2004 (2)
- Influenza-Associated Child Mortality, 2003 (1)
- Influenza-Associated Child Mortality, 2007 (1)
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- Influenza Antiviral Agents Guidelines, 2009 (4)
- Influenza Antiviral Drug Resistance, 2009 (1)
- Influenza A Virus, H3N2 Subtype (1)
- Influenza HPAI (H5N1), 2014- (1)
- Influenza Primary Prevention, 2003 (3)
- Influenza Secondary Prevention, 2003 (3)
- Influenza Vaccination Recommendations, 2004 (1)
- Influenza Vaccination Recommendations, 2005 (1)
- Influenza Vaccination Recommendations, 2009 (1)
- Influenza Vaccination Recommendations, 2010 (3)
- Influenza Vaccine Reallocation, 2004 (2)
- Influenza Vaccine Recall, 2009 (2)
- Influenza Vaccine Recall, 2010 (1)
- Influenza Vaccine Shortage, 2003 (1)
- Influenza Vaccine Shortage, 2004 (5)
- Laboratory Proficiency Testing, 2005 (3)
- Lassa Fever, 2004 (3)
- Marburg Virus Disease, Angola (2005) (1)
- Measles (January 1-April 25, 2008) (1)
- Measles, 2003 (1)
- Measles, 2004 (6)
- Measles, 2011 (1)
- Measles Outbreak, Dec. 2014-Jan. 2015 (1)
- Middle East Respiratory Syndrome - Coronavirus (MERS-CoV) (June 2013) (5)
- Middle East Respiratory Syndrome - Indiana, 2014 (2)
- Monkeypox, 2003 (5)
- Monkeypox, 2022 (2)
- Monkeypox - Wisconsin, Illinois, and Indiana, 2003 (1)
- Mumps, 2006 (2)
- Mumps, 2010 (1)
- National Influenza Vaccination Week, 2006 (1)
- Organ Transplantation Complications - Multistate, 2004 (1)
- Pneumococcal Vaccination Recommendations, 2009 (1)
- Potential Dengue Virus Infection, 2010 (1)
- Potential Dengue Virus Infection - Travel-related, 2010 (1)
- Potential Rabies Exposure, 2006 (1)
- Rotavirus Vaccine Usage Recommendations, 2010 (1)
- Severe Acute Respiratory Syndrome, 2003 (28)
- Severe Acute Respiratory Syndrome, 2004 (5)
- Smallpox Preparedness, 2001 (1)
- Smallpox Preparedness, 2002 (5)
- Smallpox Preparedness, 2003 (5)
- Smallpox Vaccine Recommendations, 2002 (3)
- Smallpox Vaccine Recommendations, 2003 (4)
- Staphylococcus Infections, 2007 (1)
- Staphylococcus Infections, 2008 (1)
- West Nile Virus Activity, 2002 (12)
- Zika Virus (10)
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Virus (241)
- 2019 Novel Coronavirus (3)
- Adenoviridae (2)
- Bacillus anthracis (1)
- Chikungunya virus (1)
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- Dengue Virus (3)
- Ebolavirus (14)
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- Flaviviridae Infections (1)
- Hantavirus Infections (1)
- Hemorrhagic Fever, Ebola (1)
- Hepacivirus (1)
- Hepatitis, Viral, Human (1)
- Hepatitis A Virus, Human (7)
- HIV (1)
- Influenza A virus (8)
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- Mumps virus (3)
- Norovirus (1)
- Norwalk virus (1)
- Oseltamivir (5)
- Parechovirus (1)
- Pitman-Moore virus (2)
- Pneumonia, Viral (1)
- Porcine circovirus Type 1 (1)
- Rabies virus (6)
- Respiratory Syncytial Viruses (2)
- Rotavirus (1)
- SARS-CoV-2 (1)
- SARS Virus (32)
- Sin Nombre virus (1)
- Staphylococcus aureus (2)
- Streptococcus pneumoniae (1)
- Vaccinia (10)
- Variola (2)
- West Nile virus (12)
- Zanamivir (3)
- Zika Virus (7)
- Zika Virus Infection (3)
- Acute Disease (2)
- Adolescent (2)
- Adoption (4)
- Aircraft (5)
- Air Travel (9)
- Antiviral Agents (6)
- Antiviral Agents/administration & dosage (4)
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- Betacoronavirus (3)
- Bioterrorism (5)
- Blood Transfusion (2)
- Case Definition (7)
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- Child, Preschool (9)
- Communicable Disease Control (6)
- Communicable Diseases, Emerging (9)
- Contact Tracing (3)
- Coronavirus (2)
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- Coronavirus Infections/drug therapy (2)
- Coronavirus Infections/prevention & control (5)
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- COVID-19/prevention & control (3)
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- California. Department of Public Health. (1)
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- Centers for Disease Control and Prevention (U.S. (2)
- Centers for Disease Control and Prevention (U.S.) (233)
- Centers for Disease Control and Prevention (U.S.). Center for Preparedness and Response. (2)
- Centers for Disease Control and Prevention (U.S.). Emergency Operations Center. Joint Information Center. (4)
- College of American Pathologists. (1)
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- :Centers for Disease Control and Prevention (U.S.). Center for Preparedness and Response.June 25, 2024 | Health Alert Network:Distributed via the CDC Health Alert NetworkJune 25, 2024, 2:30 PM ETCDCHAN-00511The Centers for Disease Control and Prevention (CDC) is issuing this ...
- :Centers for Disease Control and Prevention (U.S.). Center for Preparedness and Response.April 5, 2024 | Health Alert Network:Distributed via the CDC Health Alert NetworkApril 05, 2024, 01:30 PM ETCDCHAN-00506The Centers for Disease Control and Prevention (CDC) is issuing thi...
- :Centers for Disease Control and Prevention (U.S.)December 14, 2023 | Health Alert Network:The Centers for Disease Control and Prevention (CDC) is issuing this Health Alert Network (HAN) Health Advisory to alert healthcare providers to low v...
- :Centers for Disease Control and Prevention (U.S.)December 7, 2023 | Health Alert Network:Distributed via the CDC Health Alert NetworkDecember 7, 2023,10:45 AM ETCDCHAN-00501The Centers for Disease Control and Prevention (CDC) is issuing th...
- :Center for Preparedness and Response (U.S.) ...September 05, 2023 | Health Alert Network:Distributed via the CDC Health Alert NetworkSeptember 05, 2023, 2:00 PM ETCDCHAN-00498The Centers for Disease Control and Prevention (CDC) is issuing ...
- :Center for Preparedness and Response (U.S.) ...June 21, 2023 | Health Alert Network:Distributed via the CDC Health Alert NetworkJune 21, 2023, 1:30 PM ETCDCHAN-00493As the summer travel season begins, the Centers for Disease Control a...
- :Centers for Disease Control and Prevention (U.S.)May 15, 2023 | Health Alert Network:Distributed via the CDC Health Alert NetworkMay 15, 2023, 9:00 AM ETCDCHAN-00490In the United States, cases of mpox (formerly monkeypox) have declined...
- :Centers for Disease Control and Prevention (U.S.)April 6, 2023 | Health Alert Network:Distributed via the CDC Health Alert NetworkApril 6, 2023, 10:30 AM ETCDCHAN-00489The Centers for Disease Control and Prevention (CDC) is issuing this...
- :Centers for Disease Control and Prevention (U.S.)March 3, 2023 | Health Alert Network:Distributed via the CDC Health Alert NetworkMarch 3, 2023, 11:15 AM ETCDCHAN-00488The Centers for Disease Control and Prevention (CDC) is issuing this...
- :Centers for Disease Control and Prevention (U.S.)December 20, 2022 | Health Alert Network:Distributed via the CDC Health Alert NetworkDecember 20, 2022, 5:45 PM ETCDCHAN-00483The Centers for Disease Control and Prevention (CDC) is issuing t...
- :Centers for Disease Control and Prevention (U.S.)December 14, 2022 | Health Alert Network:Distributed via the CDC Health Alert Network December 14, 2022, 4:00 PM ET CDCHAN-00482Seasonal influenza activity is high across the United States. T...
- :Centers for Disease Control and Prevention (U.S.)November 4, 2022 | Health Alert Network:Distributed via the CDC Health Alert NetworkNovember 04, 2022, 3:30 PM ETCDCHAN-00479The Centers for Disease Control and Prevention (CDC) is issuing t...
- :Centers for Disease Control and Prevention (U.S.)October 6, 2022 | Health Alert Network:Distributed via the CDC Health Alert NetworkOctober 6, 2022, 10:45 AM ETCDCHAN-00477The Centers for Disease Control and Prevention (CDC) is issuing th...
- :Centers for Disease Control and Prevention (U.S.)September 29, 2022 | Health Alert Network:Distributed via the CDC Health Alert NetworkSeptember 29, 2022 02:15 PM ETCDCHAN-00475The purpose of this Centers for Disease Control and Prevention (...
- :Centers for Disease Control and Prevention (U.S.)August 30, 2022 | Health Alert Network:Distributed via the CDC Health Alert NetworkAugust 30, 2022, 3:00 PM ETCDCHAN-00473The Centers for Disease Control and Prevention (CDC) is issuing thi...
- :Centers for Disease Control and Prevention (U.S.)July 30, 2022 | Health Alert Network:Distributed via the CDC Health Alert NetworkJuly 30, 2022, 1:15 PM ETCDCHAN-00472As of July 29, 2022, the Centers for Disease Control and Prevention (...
- :Centers for Disease Control and Prevention (U.S.)July 28, 2022 | Health Alert Network:Distributed via the CDC Health Alert NetworkJuly 28, 2022, 9:00 PM ETCDCHAN-00471As of July 28, 2022, the Centers for Disease Control and Prevention (...
- :Centers for Disease Control and Prevention (U.S.)July 12, 2022 | Health Alert Network:Distributed via the CDC Health Alert NetworkJuly 12, 2022, 1:15 PM ETCDCHAN-00469The Centers for Disease Control and Prevention (CDC) is issuing this ...
- :Centers for Disease Control and Prevention (U.S.)June 14, 2022 | Health Alert Network:Distributed via the CDC Health Alert NetworkJune 14, 2022, 5:00 PM ETCDCHAN-00468Since May 2022, monkeypox cases, which have historically been rare in...
- :Centers for Disease Control and Prevention (U.S.)May 24, 2022 | Health Alert Network:Distributed via the CDC Health Alert NetworkMay 24, 2022, 9:00 AM ETCDCHAN-0467The Centers for Disease Control and Prevention (CDC) is issuing this He...
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