Storyline
2026 West Nile virus season
One page that accretes the verified record as the story develops. Every fact keeps its date and its sources.
1 DAYS
10 FACTS
1 EVENTS
1 SOURCES
FIRST ENTRY JUL 01
JUL 01 · Day 1
CDC warns of strong, early West Nile virus season
23 states have reported finding West Nile virus, the most in 10 years.
West Nile virus peaked in the United States in 2003, when nearly 10,000 cases were reported.
Since 2004, the average number of West Nile virus cases reported to the CDC by the end of June is around 10.