The deadly Legionnaires’ disease outbreak in Harlem continues to cause concern for those living in the area as more details about its origin are released.

A Legionnaires' disease outbreak in New York City has infected 67 people and caused three deaths, the city Department of Health and Mental Hygiene said.

Fifty-eight people in New York City have been diagnosed with Legionnaires’ disease, a serious bacterial lung infection, and two people have died, according to the city health department.