ByZachary Folk

ByZachary Folk,

Forbes Staff.

At least three people have died in a Legionnaires’ disease outbreak in Harlem, authorities said in the most recent update, in the latest summer flare-up of the disease that officials say primarily impacts older people and is potentially linked to poorly maintained cooling towers.

Legionnaires’ is a perennial problem in New York City, especially in buildings that use water cooling towers as part of their air conditioning systems.