There has been a third death in the Legionnaires' disease outbreak in New York City. Officials said the number of cases has grown to 67, including those three deaths. Legionnaires' is a severe form of pneumonia that doesn't spread from person to person,

Nearly 60 people have become sick and two have died in an outbreak of Legionnaires' disease in New York City. Health officials there issued an alert on July 30 warning residents of Central Harlem who have flu-like symptoms to see a health care provider immediately.

The disease is a form of pneumonia caused by water contaminated with Legionella, which can be found in cooling towers, showers and hot tubs.