Three individuals have now died this week in a rapidly expanding cluster located in central Harlem, Manhattan, according to the New York City Health Department. At least 64 other people have been diagnosed with Legionnaires' disease since July 25.

Nearly 60 people have become sick and two have died in an outbreak of Legionnaires' disease in New York City. Health officials there issued an alert on July 30 warning residents of Central Harlem who have flu-like symptoms to see a health care provider immediately.

An outbreak of Legionnaires’ disease in New York City has killed two people and sickened 58 since late July. City health officials link the Central Harlem outbreak to cooling towers, structures containing water and a fan that are used to cool buildings.