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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| Emergency Reporting Phone Numbers | ||
|---|---|---|
| General Information: 311 or 877-692-3647 | Bureau of Communicable Disease Reportables: 866-NYC-DOH1 (866-692-3641) | |
| Poison Control: 800-222-1222 or 212-POISONS (212-764-7667) | Terrorism Hotline: 888-NYC-SAFE (888-692-7233) | |
| Office of Emergency Management: 718-422-8700 | Chief Medical Examiner: 212-447-2030 | |
All health alerts and advisories are in PDF format. You need to have Adobe Reader to read PDF files.
Alerts
There have been no Health Alerts released yet in 2021. Check back on this page for updates.
Advisories
- 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)
Alerts Archive
2020
- Alert #38: COVID-19 Diagnostic Testing and Screening Recommendations for People Who Live or Work in New York City
- Alert #27: Heat Event August 10, 2020 to August 12, 2020: Help Prevent Heat-Related Illness and Death
- Alert #26: West Nile Virus — Detection of First Positive Mosquito Pools in 2020
- Alert #25: Heat Event July 26, 2020 to July 27, 2020: Help Prevent Heat-Related Illness and Death
- Alert #24: Help Prevent Heat-Related Illness and Death July 23
- Alert #23: Help Prevent Heat-Related Illness and Death Among Heat-Vulnerable People During the COVID-19 Pandemic
- Alert #21: Help Prevent Heat-Related Illness and Death Among Heat-Vulnerable People During the COVID-19 Pandemic
- Alert #19: Help Prevent Heat-Related Illness and Death Among Heat-Vulnerable People During the COVID-19 Pandemic
- Alert #13: Pediatric Multi-System Inflammatory Syndrome Potentially Associated with COVID-19
- Alert #12: New York City Public Health Laboratory Now Accepting Nasal Swabs and Saliva Specimens for COVID-19 Testing
- Alert #11: Current Status of SARS-CoV-2 Serologic Testing
- Alert #10: COVID-19 Updates for New York City
- Alert #9: Conserve All Personal Protective Equipment Now
- Alert #7: Guidance for Health Care Worker Self-Monitoring and Work Restriction in the Presence of Sustained Community Transmission of Coronavirus Disease 2019 (COVID-19)
- Alert #6: COVID-19 Updates for New York City
- Alert #4: COVID-19 Updates for New York City
- Alert #3: New York City Resident Diagnosed with 2019 Novel Coronavirus (COVID-19) Infection NYC Health Department Now Performing COVID-19 Testing Clarification of New CDC Testing Criteria
- Alert #2: Three New Cases of Neonatal Herpes Infection Following Ritual Jewish Circumcision
2019
- Alert #28: Neonatal Herpes Infection Reported Following Ritual Jewish Circumcision
- Alert #26: Update on Measles Outbreak in New York City
- Alert #24: Help Prevent Heat-Related Illness and Death Among At-Risk Patients
- Alert #18: West Nile Virus — Detection of First Positive Mosquito Pools in 2019
- Alert #17: Increase in Cyclospora Diarrheal Disease
- Alert #16: Help Prevent Heat-Related Illness and Death Among At-Risk Patients
- Alert #15: An "On Demand" Dosing Schedule for PrEP to Prevent HIV
- Alert #13: Test for Legionella in Adults with Pneumonia
- Alert #10: Update on Measles Outbreak in New York City and Citywide Recommendations
- Alert #9: Citywide Recommendations during the Ongoing Measles Outbreak in New York City
- Alert #8: Congenital syphilis cases in NYC nearly tripled in the last year. All pregnant New Yorkers should be screened for syphilis at 28 weeks gestation, in addition to mandated screening at first prenatal visit and at delivery
- Alert #7: Acute Hepatitis C among Men Who Have Sex with Men Living with HIV
- Alert #6: Invasive Meningococcal Disease in Far Rockaway, Queens
- Alert #2: Update on Measles Outbreak in New York City in the Orthodox Jewish Community
2018
- Alert #39: Update on Measles Outbreak in New York City in the Orthodox Jewish Community
- Alert #38: Measles Outbreak in New York City in the Orthodox Jewish Community
- Alert #37: Investigation of a Legionnaires’ disease Cluster in Lower Washington Heights, Manhattan
- Alert #33: Heat Health Advisory
- Alert #30: Heat Health Advisory
- Alert #27: Heat Health Advisory
- Alert #21: Heat Health Advisory
- Alert #17: Heat Health Advisory
- Alert #15: Investigation of a Legionnaires’ disease Cluster in Lower Washington Heights, Manhattan
- Alert #14: West Nile Virus: Detection of First Human Case and Positive Mosquito Pools in 2018
- Alert #13: Heat Health Advisory
- Alert #10: Test for Legionella in Adults with Pneumonia
2017
- Alert #36: Recognizing Invasive Meningococcal Disease in an Era of Declining Incidence
- Alert #34: UPDATE: Increase in Cases of Hepatitis A among Men Who Have Sex with Men 40 New Cases among Men Who Have Sex with Men since March 2017
- Alert #29: CORRECTION: Heat Health Advisory
- Alert #20: West Nile Virus
- Alert #18: Increase in Cyclospora Diarrheal Disease
- Alert #17: Heat Health Advisory
- Alert #15: Heat Health Advisory
- Alert #13: Outbreak of Nontuberculous Mycobacterium Infections following Cosmetic Surgery Performed in the Dominican Republic
- Alert #12: Investigation of a Cluster of Legionnaires’ Disease in the Lenox Hill area of Manhattan
- Alert #6: Increase in Cases of Hepatitis A among Men Who Have Sex with Men
- Alert #4: New Case of Neonatal Herpes Infection Reported Following Ritual Jewish ircumcision
- Alert #3: Leptospirosis Cluster in the Concourse area of the Bronx
2016
- Alert #52: Update on Avian Influenza A H7N2 Infection in Cats in NYC Shelters
- Alert #51: Avian Influenza A H7N2 Infections in Cats at the Manhattan Animal Care Center Shelter
- Alert #50: Congenital Zika Virus Syndrome in New York City Infants and Important Information Regarding Zika Virus Testing
- Alert #49: Potential Breakthrough HIV Infection in Patient on Pre-Exposure Prophylaxis
- Alert #48: New Recommendation: Conduct Routine Testing for Zika Virus through Commercial Laboratories
- Alert #46: Evaluation and Management of Infants with Possible Congenital Zika Virus Infection
- Alert #42: Heat Health Advisory
- Alert #41: Increasing Antimicrobial Resistance of Shigella among Men Who Have Sex with Men in NYC
- Alert #33: Heat Health Advisory
- Alert #32: Gonorrhea with Reduced Susceptibility to Azithromycin Increasing in New York City
- Alert #28: Detecting Zika Virus Transmission in New York City
- Alert #23: West Nile Virus
- Alert #22: Heat Health Advisory
- Alert #21: Heat Health Advisory
- Alert #19: Heat Health Advisory
- Alert #14: Syphilis is increasing among women of child-bearing age in New York City, 2016
- Alert #13: Invasive Streptococcus Pyogenes in Children
- Alert #12: Varicella in New York City
- Alert #7: New Process for Ordering Zika Virus Testing
2015
- Alert #45: Legionnaires' Disease Outbreak in East Bronx: Likely Source Identified
- Alert #42: urveillance for Acute Flaccid Myelitis
- Alert #40: Pertussis in New York City
- Alert #38: Legionnaires' Disease Cluster in East Bronx
- Alert #30: Legionnaires' Disease Outbreak in South Bronx Contained; Source Identified
- Alert #24: Clinical Management of Respiratory Illness in the South Bronx
- Alert #21: Increase in Legionnaire’s Disease in the Bronx
- Alert #20: Heat Health Advisory
- Alert #16: Heat Health Advisory
- Alert #15: Imported Brucellosis
- Alert #14: West Nile Virus
- Alert #11: Invasive Meningococcal Disease in Men Who Have Sex with Men
- Alert #9: Pertussis in New York City
- Alert #8: Increase in Legionnaires' Disease in Queens
- Alert #6: Hepatitis A Associated with Travel to Tulum, Mexico
- Alert #5: Outbreak of Tuberculosis in Sunset Park, Brooklyn
- Alert #3: Emergency Post-Exposure Prophylaxis Can Prevent HIV Infection
- Alert #1: Possible Increase in Legionnaire's Disease in the Bronx
Advisories Archive
2020
- Advisory #39: Proper Use and Interpretation of SARS-CoV-2 Antigen Tests
- Advisory #37: All Point-of-Care COVID-19 Test Results Must be Reported Electronically
- Advisory #36: Pesticide Spraying Notification to Reduce Mosquito Activity and Control West Nile Virus in Brooklyn and Queens
- Advisory #35: Pesticide Spraying Notification to Reduce Mosquito Activity and Control West Nile Virus in the Bronx
- Advisory #34: Pesticide Spraying Notification to Reduce Mosquito Activity and Control West Nile Virus in Brooklyn and Queens
- Advisory #33: Pesticide Spraying Notification to Reduce Mosquito Activity and Control West Nile Virus in Staten Island
- Advisory #32: Pesticide Spraying Notification to Reduce Mosquito Activity and Control West Nile Virus in Queens
- Advisory #31: Pesticide Spraying Notification to Reduce Mosquito Activity and Control West Nile Virus in Brooklyn and Staten Island
- Advisory #30: Pesticide Spraying Notification to Reduce Mosquito Activity and Control West Nile Virus in Queens
- Advisory #29: Pesticide Spraying Notification to Reduce Mosquito Activity and Control West Nile Virus in Queens
- Advisory #28: Pesticide Spraying Notification to Reduce Mosquito Activity and Control West Nile Virus in Staten Island
- Advisory #22: Tick-borne Disease Advisory
- Advisory #20: Updated Guidance for Health Care Personnel on Personal Protective Equipment for COVID-19 and Work Restrictions Following Exposure
- Advisory #18: COVID-19 Test and Trace Operations Begin In New York City
- Advisory #17: Advise Patients When to Seek Essential Care and Plan to Expand In-Person Patient Services
- Advisory #16: Updated Reporting Requirements for Multisystem Inflammatory Syndrome in Children Associated with COVID-19 (Formerly Pediatric Multisystem Inflammatory Syndrome)
- Advisory #15: Updated NYC Health Department Recommendations for Identifying and Testing Patients with Suspected COVID-19
- Advisory #14: Updated NYC Health Department COVID-19 Recommendations
- Advisory #8: COVID-19 Update for New York City
- Advisory #5: Spring Is Coming: Time to Prepare Patients with Asthma for Spring Pollen Season
- Advisory #1: Norovirus Prevention and Response
2019
- Advisory #31: Influenza Prevention and Treatment, 2019-2020
- Advisory #30: Updates to Zika Testing Recommendations
- Advisory #29: Travel-Acquired Mosquito-Borne and Enteric Diseases
- Advisory #27: Pesticide Spraying Notification to Reduce Mosquito Activity and Control West Nile Virus in the Bronx
- Advisory #25: Pesticide Spraying Notification to Reduce Mosquito Activity and Control West Nile Virus in Brooklyn and Queens
- Advisory #23: Pesticide Spraying Notification to Reduce Mosquito Activity and Control West Nile Virus in Queens and the Staten Island
- Advisory #22: Pesticide Spraying Notification to Reduce Mosquito Activity and Control West Nile Virus in Queens and the Bronx
- Advisory # 21: International travel-related disease preparedness update: Ebola virus disease (EVD) outbreak in the Democratic Republic of the Congo (DRC) and Middle East Respiratory Syndrome (MERS) in Saudi Arabia
- 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 Staten Island
- Advisory #14: Elevated Levels of Lead, Mercury and Arsenic in Certain Ayurvedic Medications from India
- Advisory #12: Tick-borne Disease Advisory
- Advisory #11: Help Prevent Heat-Related Illness and Death Among At-Risk Patients
- Advisory #5: Administer Hepatitis A Vaccine to All Persons Experiencing Homelessness or Using Drugs
- Advisory #4: Spring is coming: Time to prepare patients with asthma for spring pollen season
- Advisory #3: Risk Factors that Contributed to HIV Outbreaks in Massachusetts are Present in New York City
- Advisory #1: Influenza Advisory
2018
- Advisory #36: Pesticide Spraying Notification to Reduce Mosquito Activity and Control West Nile Virus in Queens
- Advisory #35: Pesticide Spraying Notification to Reduce Mosquito Activity and Control West Nile Virus in Bronx and Queens
- Advisory #34: Pesticide Spraying Notification to Reduce Mosquito Activity and Control West Nile Virus in Bronx and Queens
- Advisory #32: Pesticide Spraying Notification to Reduce Mosquito Activity and Control West Nile Virus in Queens
- Advisory #31: Pesticide Spraying Notification to Reduce Mosquito Activity and Control West Nile Virus in Manhattan and Staten Island
- Advisory #29: Pesticide Spraying Notification to Reduce Mosquito Activity and Control West Nile Virus in Bronx & Brooklyn
- Advisory #28: Pesticide Spraying Notification to Reduce Mosquito Activity and Control West Nile Virus in Brooklyn and Queens
- Advisory #26: Pesticide Spraying Notification to Reduce Mosquito Activity and Control West Nile Virus in Staten Island
- Advisory #25: Pesticide Spraying Notification to Reduce Mosquito Activity and Control West Nile Virus in Queens
- Advisory #24: Update on Middle East Respiratory Syndrome
- Advisory #23: Pesticide Spraying Notification to Reduce Mosquito Activity and Control West Nile Virus in Brooklyn
- Advisory #22: Pesticide Spraying Notification to Reduce Mosquito Activity and Control West Nile Virus in Staten Island
- Advisory #20: Pesticide Spraying Notification to Reduce Mosquito Activity and Control West Nile Virus in Staten Island
- Advisory #19: Pesticide Spraying Notification to Reduce Mosquito Activity and Control West Nile Virus in Queens and Staten Island
- Advisory #18: Pesticide Spraying Notification to Reduce Mosquito Activity and Control West Nile Virus in Bronx
- Advisory #16: Pesticide Spraying Notification to Reduce Mosquito Activity and Control West Nile Virus in the Bronx
- Advisory #12: Celebrate NYC Pride by Offering Guidelines-Based Preventive Services to Men and Transgender Persons Who Have Sex with Men
- Advisory #11: Bicillin L-A (Penicillin G Benzathine) Shortage Resolved
- Advisory #9: Help Prevent Heat-Related Illness and Death among At-Risk Patients
- Advisory #8: Tickborne Disease Advisory
- Advisory #7: Cluster of Synthetic Cannabinoid (K2)-Related Adverse Events and Emergency Department Visits, New York City
- Advisory #6: Elevated Levels of Mercury in Certain Skin-Lightening Creams and Medicated Soaps
- Advisory #6: Elevated Levels of Mercury in Certain Skin-Lightening Creams and Medicated Soaps
- Advisory #5: Largest Increase in Tuberculosis Cases Since 1992
- Advisory #4: Health Department reminds providers to prepare patients with asthma for spring pollen season
- Advisory #3: Influenza Advisory
- Advisory #2: Influenza Advisory
- Advisory #1: Influenza Advisory
2017
- Advisory #37: Updated Guidance for the Evaluation and Management of Pregnant Women and Infants with Possible Zika Virus Exposure
- Advisory #35: Elevated Levels of Mercury in Faiza No. 1 Beauty Cream
- Advisory #33: Health Department reminds health care providers to help children prepare for the fall asthma season
- Advisory #32: Pesticide Spraying Notification to Reduce Mosquito Activity and Control West Nile Virus in Brooklyn and Queens
- Advisory #31: Pesticide Spraying Notification to Reduce Mosquito Activity and Control West Nile Virus in The Bronx
- Advisory #30: Pesticide Spraying Notification to Reduce Mosquito Activity and Control West Nile Virus in Queens and Staten Island
- Advisory #28: Pesticide Spraying Notification to Reduce Mosquito Activity and Control West Nile Virus in Queens
- Advisory #27: Pesticide Spraying Notification to Reduce Mosquito Activity and Control West Nile Virus in Brooklyn
- Advisory #26: Pesticide Spraying Notification to Reduce Mosquito Activity and Control West Nile Virus in Bronx and Queens
- Advisory #25: Pesticide Spraying Notification to Reduce Mosquito Activity and Control West Nile Virus in Brooklyn
- Advisory #24: Pesticide Spraying Notification to Reduce Mosquito Activity and Control West Nile Virus in Staten Island and Queens
- Advisory #23: Pesticide Spraying Notification to Reduce Mosquito Activity and Control West Nile Virus in Brooklyn and Queens
- Advisory #22: Pesticide Spraying Notification to Reduce Mosquito Activity and Control West Nile Virus in Brooklyn
- Advisory #21: Pesticide Spraying Notification to Reduce Mosquito Activity and Control West Nile Virus in Staten Island
- Advisory #19: Pesticide Spraying Notification to Reduce Mosquito Activity and Control West Nile Virus in Queens and Staten Island
- Advisory #16: Pesticide Spraying Notification to Reduce Mosquito Activity and Control West Nile Virus in Queens and Staten Island
- Advisory #14: Tick-borne Disease Advisory
- Advisory #11: Celebrate NYC Pride by Offering Guidelines-Based Preventive Services to Men and Transgender Individuals Who Have Sex with Men
- Advisory #10: Presence of Fentanyl in Cocaine Contributing to Increase in Drug Overdose Deaths
- Advisory #9: Ongoing Risk of Zika Virus-Related Birth Defects Related to Travel to Areas with Active Zika Virus Transmission
- Advisory #8: Help Prevent Heat-Related Illness and Death Among At-Risk Patients
- Advisory #7: Bicillin-LA shortage continues
- Advisory #5: Health Department reminds providers to prepare patients with asthma for spring pollen season
- Advisory #2: Zika Diagnostic Laboratory Updates
- Advisory #1: Influenza Advisory
2016
- Advisory #47: Increase in drug overdoses deaths linked to increased presence of fentanyl in New York City
- Advisory #45: Pesticide Spraying Notification to Control Aedes albopictus and Culex Mosquitoes in Brooklyn
- Advisory #44: Pesticide Spraying Notification to Control Aedes albopictus and Culex Mosquitoes in the Bronx and Staten Island
- Advisory #43: First Human Case of West Nile Viral Disease in NYC in 2016
- Advisory #40: Pesticide Spraying Notification to Control Aedes albopictus and Culex Mosquitoes in Queens
- Advisory #39: Pesticide Spraying Notification to Control Aedes albopictus and Culex Mosquitoes in Brooklyn and Queens
- Advisory #38: Pesticide Spraying Notification to Control Aedes albopictus and Culex Mosquitoes in Staten Island and Queens
- Advisory #37: New Zika Virus Testing Policy in New York City
- Advisory #36: Pesticide Spraying Notification to Control Aedes albopictus and Culex Mosquitoes in Brooklyn and Queens
- Advisory # 35: Pesticide Spraying Notification to Control AEDES ALBOPICTUS and CULEX Mosquitoes in Manhattan and Queens
- Advisory #34: Pesticide Spraying Notification to Control Aedes Albopictus mosquitoes in the Bronx
- Advisory #30: Pesticide Spraying Notification to Control Aedes Albopictus mosquitoes in Staten Island and the Bronx
- Advisory #29: Pesticide Spraying Notification to Reduce Mosquito Activity and Control West Nile Virus in Staten Island and Queens
- Advisory #26: Tick-borne Disease Advisory
- Advisory #25: Pesticide Spraying Notification to Reduce Mosquito Activity and Control West Nile Virus in Staten Island
- Advisory #24: Pesticide Spraying Notification to Control Aedes Albopictus mosquitoes in Queens
- Advisory #20: Increase in synthetic cannabinoid (K2)-related adverse events and emergency department visits, New York City
- Advisory #18: Test for Legionella in Adults with Pneumonia
- Advisory #17: Use of Cepheid Xpert MTB/RIF® assay in making decisions to discontinue airborne infection isolation of patients suspected with infectious tuberculosis
- Advisory #16: Update on Zika Virus Infection in New York City
- Advisory #15: Interim Zika Virus Update
- Advisory #14: Help Prevent Heat-Related Illness and Death Among At-Risk Patients
- Advisory #11: New Zika Virus Clinical Guidance Available
- Advisory #10: Expedited Partner Therapy is an Exception to the Electronic Prescribing Mandate
- Advisory #9: Bicillin-LA (benzathine penicillin G) shortage
- Advisory #8: Increase in drug overdoses deaths and increased presence of fentanyl in New York City
- Advisory #6: Elevated Levels of Lead and Mercury in “Emperor’s Tea Pill”
- Advisory #5: Diagnostic Testing for Zika Virus and Interpretation of Results
- Advisory #4: How to Obtain Zika Virus Testing at the New York City Public Health Laboratory
- Advisory #3: Testing and Reporting Persons with Possible Zika Virus Infection
- Advisory #2: Management of Pregnant Women with Travel to Areas Affected by the Zika Virus Outbreak
- Advisory #1: Microcephaly Associated with Zika Virus
2015
- Advisory #46: Update On Ebola Viral Disease –Guinea declared Ebola free on December 30
- Advisory #44: Update On Ebola Viral Disease –Sierra Leone declared Ebola free on November 7
- Advisory #43: Death Associated with Purported Aphrodisiac ‘Stone’ Can Cause Serious Poisoning and Death
- Advisory # 37: Pesticide Spraying Notification to Reduce Mosquito Activity and Control West Nile Virus in Queens and Brooklyn
- Advisory # 36: Increase in synthetic cannabinoid (K2)-related adverse events and emergency department visits, New York City
- Advisory #35: Pesticide Spraying Notification to Reduce Mosquito Activity and Control West Nile Virus in The Bronx
- Advisory #33: Pesticide Spraying Notification to Reduce Mosquito Activity and Control West Nile Virus in Brooklyn, Manhattan, and Staten Island
- Advisory #31: Pesticide Spraying Notification to Reduce Mosquito Activity and Control West Nile Virus in The Bronx
- Advisory # 29: Pesticide Spraying Notification to Reduce Mosquito Activity and Control West Nile Virus in Queens
- Advisory # 28: Pesticide Spraying Notification to Reduce Mosquito Activity and Control West Nile Virus in Brooklyn
- Advisory # 27: First Human Case of West Nile Viral Disease in NYC in 2015
- Advisory # 26: Pesticide Spraying Notification to Reduce Mosquito Activity and Control West Nile Virus in Queens on August 17
- Advisory # 25: Pesticide Spraying Notification to Reduce Mosquito Activity and Control West Nile Virus in Queens
- Advisory #22: Pesticide Spraying Notification to Reduce Mosquito Activity and Control West Nile Virus in Staten Island
- Advisory #19: Pesticide Spraying Notification to Reduce Mosquito Activity and Control West Nile Virus in Staten Island
- Advisory #18 Elevated Levels of Arsenic, Lead, and Mercury in Certain Ayurvedic Medications from India
- Advisory #17: Pesticide Spraying Notification to Reduce Mosquito Activity and Control West Nile Virus in Staten Island
- dvisory #13: Update On Ebola Viral Disease
- Advisory #12: Tick-borne Disease Advisory
- Advisory #10: Update on Middle East Respiratory SyndromeAdvisory
- Advisory #7: Prevent Heat-Related Illness and Death Among At-Risk Patients
- Advisory #4: Antiviral Treatment for Influenza Infection
- Advisory #2: Influenza AdvisoryRecent Press Releases