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.

A Legionnaires' disease cluster in the Harlem area of New York City has caused three deaths and 5over 60 people to be sickened. Here's what it is, symptoms and how it's spread.

The deadly Legionnaires' disease outbreak in Harlem continues to spread, forcing residents to be hyper-vigilant and on the look-out for the flu-like symptoms associated with the illness.