A health department remediation has now been completed for the 11 cooling towers with initial positive screening results

A Legionnaires' disease cluster in New York City is growing, according to officials. Here's what to know.

A health department remediation has now been completed for the 11 cooling towers with initial positive screening results

A Legionnaires' disease outbreak in New York City has infected 67 people and caused three deaths, the city Department of Health and Mental Hygiene said.

People over the age of 50 are at a higher risk of contracting the disease, authorities said.