Storyline3 outlets3 articlesFirst Aug 17 · 21:14 UTCLatest Aug 21 · 02:27 UTC

West Nile Virus Cases and Mosquito Activity 2026

New York City and surrounding areas reported their first human cases of West Nile virus in 2026, coinciding with detected increases in mosquito populations carrying the virus. Health departments in NYC and Chicago are responding with insecticide spraying and public health advisories.

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New York City Health DepartmentNYCChicago Department of Public HealthSuffolk CountyWest Nile virus

Volume · 2 days · 3 articlesPeak: 2 on 2026-08-21

2026-08-202026-08-21

Articles in this storyline

2026-08-21

2 articles · 2 outlets

LA Times — LocalLA Times California

HEALTHLA TIMES — LOCAL
Dead of a mosquito bite: L.A. records West Nile fatality as California cases hit 5-year high
HEALTHLA TIMES CALIFORNIA
Dead of a mosquito bite: L.A. records West Nile fatality as California cases hit 5-year high

2026-08-20

1 article · 1 outlet

KXAN NBC Austin

HEALTHKXAN NBC AUSTIN
Williamson County confirms first human case of West Nile virus in 2026