Four people in New York City's Harlem neighbourhood have died from an outbreak of Legionnaires' disease, an aggressive and potentially deadly form of pneumonia. The city has seen 99 confirmed cases with 17 people in hospital with the infection, according to the New York City Department of Health.

A fourth person has died in connection with a Legionnaires’ disease outbreak in New York City. Health officials disclosed the latest death Thursday as they revealed that some cooling towers tested positive for the bacteria in some city-run buildings.

Health officials in New York City say a cluster of Legionnaires’ disease in Central Harlem has grown to 99 cases, including four deaths.

The Central Harlem Legionnaires' disease outbreak has impacted a college building and hospital, officials say. As of Friday, Aug. 15, four people have died and at least 99 are sick.

One borough in New York City has been battling a small outbreak of Legionnaires' disease. Here's how to protect yourself if you're traveling to the Big Apple.

A Legionnaires' disease outbreak in New York's Central Harlem neighborhood has now sickened 90 people and caused three deaths, health officials said Tuesday.

Three people have died and at least 67 people have been diagnosed with Legionnaires’ disease in a cluster that broke out in New York City last week.

The cases are most likely linked to a cooling tower in central Harlem, health officials said. At least 22 people have fallen ill, including one person who has died, from Legionnaires’ disease in New York City over the last two weeks, according to the city’s health department.

A fourth person has died amid the Legionnaires’ disease outbreak in central Harlem, according to the New York City Department of Health. The outbreak that began in late July has since spread to 99 confirmed cases as of Thursday, with four deaths and 17 hospitalizations. Those who have died have not been identified.