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

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

The cluster of the potentially fatal pneumonia-like illness was initially detected on July 25 and has since been identified across several zip codes in Harlem.