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New York City Department of Health

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Situations

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West Nile virus surge in North America, Europe, and Balkans

22 clusters · 311 sources · last updated

Latest: West Nile virus cases rise in Los Angeles and New York City

Public health agencies in North America, Europe, and the Balkans continue to report West Nile virus activity. In the United States, the CDC has reported 504 human cases across 41 states in 2026. While the total case coun

[QUIET] [HEALTH] [US]

NYC Legionnaires Outbreak Ends – 7 deaths

13 clusters · 114 sources · last updated

Latest: New York City to tighten cooling tower inspections after Legionella outbreaks

The NYC Department of Health declared the Upper East Side Legionnaires’ disease outbreak over on 2 August 2026 after a two-week span with no new cases, closing the 14-day incubation window for ZIP codes 10028, 10075 and

[QUIET] [INTERNATIONAL] [US]

New York City rodent control efforts

2 clusters · 18 sources · last updated

Latest: New York City reports decline in rat sightings

New York City is addressing rodent infestations through both legislative mandates and waste management initiatives. Following the passage of Local Law 8 of 2026, the Department of Health is drafting rules to require prop