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

Stay informed about rising Legionnaires’ disease cases. Find out who’s at risk and how infections are treated.

If an air conditioning system malfunctions or isn’t properly maintained, it can become contaminated with infectious microbes.

The outbreak in New York City began in July, which affected dozens of people with severe Legionnaires' disease. The health ...