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

New York City officials said they are investigating a cluster of Legionnaires' disease that has caused one death and nearly two dozen illnesses.

The number of Legionnaires' disease cases linked to a cluster in Central Harlem has risen to 35, health officials say.