Health officials in New York City say a cluster of Legionnaires’ disease in Central Harlem has grown to 101 cases, including four deaths.

The New York City Legionnaires' disease outbreak in Central Harlem is growing. Is it contagious? How do you get it? What Kentucky needs to know.

A deadly Legionnaires' disease outbreak in New York City has set health and community leaders on a campaign to educate the public on ways to prevent the bacteria from growing and spreading.