There have now been 90 confirmed cases of Legionnaires' disease in central Harlem, and 15 people are currently hospitalized battling the disease, the city's health department announced.

New York City health officials are continuing to investigate a cluster of Legionnaires’ disease, a serious bacterial lung infection, where the number of cases has risen to 73, including three deaths.

Three people have died and at least 67 people have been diagnosed with Legionnaires’ disease in a cluster that broke out in New York City last week.