The Legionnaires' disease outbreak in Harlem has been traced to 12 cooling towers, including several at city-run buildings, officials said.

The health department offered five ZIP codes in central Harlem — 10027, 10030, 10035, 10037, 10039 – that were at the center of the cluster, as officials stressed the disease was airborne

A fourth person has died in New York City’s Central Harlem Legionnaires’ outbreak, traced to contaminated cooling towers, with dozens sickened and health officials urging immediate medical attention for symptoms.