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.

Here’s what to know about Legionnaires’ disease, how it spreads, and the East Harlem cooling tower outbreak under investigation.

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.