As of Thursday evening, there had been three deaths, which was the same number as the day before. However, the city’s Health Department said there were now 81 confirmed cases, up from 73 the day before.

An investigation is underway after 81 confirmed cases of Legionnaires' disease in Harlem has left three people dead since late July.

Adults who have been in the affected area since late July with flu-like symptoms, fever, cough or difficulty breathing should seek immediate medical attention, health officials say.