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.

New York City Department of Health inspectors are fanning out across Central Harlem to inspect cooling towers amid a deadly outbreak of Legionnaires' disease. So far there have been 73 cases identified since July 25.

New York City health officials are continuing to investigate a cluster of cases of Legionnaires’ disease, a serious bacterial lung infection, that has sickened 73 people and led to three deaths.