Storyline
Manhattan Upper East Side Legionnaires' disease outbreak 2026
One page that accretes the verified record as the story develops. Every fact keeps its date and its sources.
1 DAYS
14 FACTS
1 EVENTS
2 SOURCES
FIRST ENTRY JUL 11
JUL 11 · Day 1
Legionella and Legionnaires' disease outbreak on Manhattan's Upper East Side, including Guggenheim
56 people were sickened in the outbreak on the Upper East Side.
The city tested 183 cooling towers on the Upper East Side for Legionella bacteria since identifying the outbreak on July 2.
Dr. Alister Martin is the city health commissioner.