A growing outbreak of Legionnaires’ disease in New York is raising urgent public health concerns as health officials confirm around 60 cases in the area.

A Legionnaires' disease outbreak in Harlem is blamed for at least three deaths, and NYC officials are warning to watch out for the symptoms.

Mohamed Hamdy Yassin, M.D., an infectious disease specialist with University of Pittsburgh Medical Center who sees about 15 to 20 cases of Legionnaires’ disease each year, says