New York health department investigates Legionnaires’ outbreak

Samples collected from 15 cooling towers in the East Bronx in New York have tested positive for Legionella infection, according to the city’s Department of Health and Mental Hygiene.

An investigation was launched after the first case of Legionnaires’ disease was reported on Sept. 21. Since then, 13 people have been infected, resulting in 11 hospitalizations and one death, the department reported. All of the patients reportedly have underlying health conditions.

The health department notified the CDC on Monday, Sept. 28, and has issued a health alert to health care providers in the area. The city’s health commissioner ordered an immediate disinfection of all 15 locations with positive cultures.

People at elevated risk from the disease are middle-aged or older patients, especially smokers; patients with chronic lung disease; and those who are immunocompromised, the department of health stated. Patients with influenza-like symptoms who are suspected of having developed Legionnaires’ disease are advised to seek immediate medical attention, especially those with pre-existing respiratory conditions and smokers.

The health department’s investigation is ongoing, and officials continue to collect samples, interview patients and review medical records.

There are about 200 to 300 cases of Legionnaires’ disease reported each year in New York City, according to the health department. A previous outbreak was reported in July in the South Bronx where 133 people were infected, including 16 who died.