Health Alert Network (HAN)

The Health Alert Network (HAN) contains public health information for medical providers, including:

• Up-to-date health alert information, delivered to your inbox and archived on the web
• An online document library on public health topics
• An online community to exchange information and ideas with colleagues

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All health alerts and advisories are in PDF format. You need to have Adobe Reader to read PDF files.

Alerts

• Alert #34: Investigation of a Listeriosis Cluster in Brooklyn
• Alert #29: Heat Event August 25 and 26, 2021: Help Prevent Heat-Related Illness and Death
• Alert #25: Investigation of a Legionnaires’ Disease Cluster in Central Harlem
• Alert #23: Heat Event August 11-13, 2021: Help Prevent Heat-Related Illness and Death
• Alert #16: West Nile Virus: Increasing Positive Mosquito Pools and Human Cases Under Investigation in New York City
• Alert #14: Heat Event July 15 and 16, 2021: Help Prevent Heat-Related Illness and Death
• Alert #12: Heat Event July 6 and 7, 2021: Help Prevent Heat-Related Illness and Death
• Alert #11: Heat Event June 28, 2021 to June 29, 2021: Help Prevent Heat-Related Illness and Death
• Alert #7: NYC Health Departments Recommends Hepatitis A Vaccine for Persons Who Are Experiencing Homelessness, Use Drugs, or Were Recently Incarcerated, in Response to Increasing Hepatitis A Cases in These Populations
• Alert #6: Cases of Cerebral Venous Sinus Thrombosis with Thrombocytopenia after Receipt of the Johnson & Johnson COVID-19 Vaccine

Advisories

• Advisory #37: Elevated Levels of Lead in Traditional Ceramic Ware
• Advisory #36: Pesticide Spraying Notification to Reduce Mosquito Activity and Control West Nile Virus in Manhattan and Staten Island
• Advisory #35: Increase in Leptospirosis Cases in New York City
• Advisory #33: New Program Offers Compensation for Proactive Vaccination Counseling; Commissioner’s Advisory Directs Health Care Providers to Use Every Opportunity to Offer COVID-19 Vaccine Information
• Advisory #32: Pesticide Spraying Notification to Reduce Mosquito Activity and Control West Nile Virus in Brooklyn, Queens and Staten Island
• Advisory #31: Pesticide Spraying Notification to Reduce Mosquito Activity and Control West Nile Virus in the Brooklyn
• Advisory #30: Pesticide Spraying Notification to Reduce Mosquito Activity and Control West Nile Virus in the Bronx and Staten Island
• Advisory #28: Pesticide Spraying Notification to Reduce Mosquito Activity and Control West Nile Virus in the Bronx and Manhattan
• Advisory #27: Pesticide Spraying Notification to Reduce Mosquito Activity and Control West Nile Virus in Brooklyn
• Advisory #26: Atypical Summer Transmission of Respiratory Syncytial Birus (RSV)
• Advisory #24: Pesticide Spraying Notification to Reduce Mosquito Activity and Control West Nile Virus in the Bronx and Queens
• Advisory #22: Pesticide Spraying Notification to Reduce Mosquito Activity and Control West Nile Virus in Queens
• Advisory #21: Pesticide Spraying Notification to Reduce Mosquito Activity and Control West Nile Virus in Brooklyn and Queens
• Advisory #20: Pesticide Spraying Notification to Reduce Mosquito Activity and Control West Nile Virus in Queens
• Advisory #19: Pesticide Spraying Notification to Reduce Mosquito Activity and Control West Nile Virus in Queens
• Advisory #18: Pesticide Spraying Notification to Reduce Mosquito Activity and Control West Nile Virus in Staten Island and Queens
• Advisory #17: Pesticide Spraying Notification to Reduce Mosquito Activity and Control West Nile Virus in Bronx
• Advisory #15: Pesticide Spraying Notification to Reduce Mosquito Activity and Control West Nile Virus in Staten Island
• Advisory #13: Pesticide Spraying Notification to Reduce Mosquito Activity and Control West Nile Virus in Queens
• Advisory #10: Tick-borne Disease Advisory
• Advisory #9: Help Prevent Heat-Related Illness and Death Among People Most At Risk of Heat-Health Impacts During the COVID-19 Pandemic
• Advisory #8: Administration of Johnson & Johnson/Janssen COVID-19 Vaccine Can Resume in New York City
• Advisory #5: Spring is Here: Prepare Patients with Asthma for Spring Pollen Season
• Advisory #4: Updated Guidance for Use of Respirators by Health Care Personnel Caring for Patients With and Without COVID-19 in Health Care Settings
• Advisory #3: Collect and Report Race and Ethnicity Data to Help Ensure Equitable Access to COVID-19 Vaccines
• Advisory #2: Select New York State Phase 1b Groups Are Now Eligible for COVID-19 Vaccination
• Advisory #1: All New Yorkers in the New York State Phase 1a Group Are Eligible for COVID-19 Vaccination

CDC's Health Alert Network (HAN)