New York City officials have discovered a sixth death linked to a Legionnaires’ disease outbreak in Central Harlem, where more than 100 people have been diagnosed with the ailment.

A fifth person has been killed by the Legionnaire’s disease outbreak ripping through Harlem, which has also sickened more than 100 others, health officials announced.

Rainwater left untreated in cooling towers atop city-owned Harlem Hospital fueled the Big Apple’s deadliest Legionnaire’s disease outbreak in a decade, the Rev. Al Sharpton charged Tuesday.

Two construction workers are suing over workplace safety after being hospitalized with Legionnaires’ disease amid a deadly outbreak in central Harlem. Their illnesses came after working near a Harlem Hospital Center cooling tower that tested positive for the bacteria that causes the disease.

Lawsuit filed after a deadly Legionnaires' outbreak in Harlem, alleging negligence by construction firms and NYC.

At a town hall on Thursday, Harlem residents raised questions and concerns about the Legionnaires’ disease outbreak that has resulted in nearly 100 cases and four deaths since last month.