All 12 cooling towers in Central Harlem that tested culture positive for live Legionella bacteria have been fully drained, cleaned, and disinfected.

The health department offered five ZIP codes in central Harlem -- 10027, 10030, 10035, 10037, 10039 – that were at the center of the cluster, as officials stressed the disease was airborne and could reach people even outside of the directly affected buildings.

Health officials in New York City say an outbreak of Legionnaires’ disease in Central Harlem has grown to 90 cases, including three deaths.

Announcement of the latest death comes just hours after city officials identified 12 cooling towers in 10 Harlem buildings that tested positive for Legionnaires' disease.

In the five ZIP codes affected by the outbreak, the number of inspections fell more dramatically than in the rest of the city.

Legionnaires' outbreak in Harlem claims a fourth life, with 99 infected and linked to contaminated water-cooling towers.

Ninety-two people have been diagnosed with Legionnaire's disease since July 25 when the cluster of cases was first identified in Central Harlem, according to the latest numbers from the New York City Health Department.

All 12 cooling towers in Central Harlem that tested culture positive for live Legionella bacteria have been fully drained, cleaned, and disinfected.

Announcement of the latest death comes just hours after city officials identified 12 cooling towers in 10 Harlem buildings that tested positive for Legionnaires' disease.