Why it matters

Legionnaires’ disease can cause severe pneumonia, particularly among older adults, smokers, and people with chronic lung disease or weakened immune systems.

Who is affected

People who live, work, or recently visited the affected Upper East Side area, particularly medically vulnerable individuals.

What happens next

The Health Department must continue surveillance, test and remediate implicated cooling towers, and update the public on the source, final case count, and containment status.

Official documentation

Civic Desk Weekly reviewed the source below and distinguishes the government action from outcomes that still require verification.

Mayor’s July 13 public briefing