A recent cluster of Legionnaires’ disease has led to one person’s death. Officials said 30 people have been sickened, up from 22 earlier in the week, according to the New York City Health Department

One person is dead and at least 22 people have become sick from a Legionnaires’ disease cluster in New York City since last Friday, health officials said.

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.