Some in the area say they were unaware of the outbreak of Legionnaires' disease, let alone the location of problem sites.

Harlem Hospital Center and a public health clinic are among the buildings with cooling towers that tested positive for Legionella, the bacteria that causes Legionnaires’ disease, during an outbreak in Harlem,

Four people have died as a result of a Legionnaires’ disease outbreak in Harlem that has sickened nearly 100 people, and officials revealed the cooling towers that tested positive for the bacteria that causes the illness — some of which are at properties owned by New York City,