The New York City Health Department announced Saturday that two additional fatalities have been linked to the Legionnaires' disease outbreak on the Upper East Side. The department released the update at 01:18:55 UTC on August 15, 2026, confirming the latest deaths as part of the ongoing health investigation in the neighborhood.

According to the department, the two deaths bring the total number of fatalities associated with the current Legionnaires' disease cluster to an increased count, adding to earlier reports of illness and loss of life. The agency did not provide further details about the individuals involved, focusing solely on the confirmation that the deaths are connected to the outbreak.

City officials have been closely monitoring the situation on the Upper East Side since the outbreak was first identified. The monitoring effort has documented multiple cases of Legionnaires' disease, as well as several deaths prior to this latest report. Health officials continue to collect data, track new cases, and coordinate with local healthcare providers to manage the spread of the infection.

The health department reiterated its commitment to public safety and ongoing surveillance in the area. It emphasized that the investigation remains active and that authorities are working to determine the source of the bacterial contamination. Residents of the Upper East Side and surrounding communities are being advised to stay informed through official channels as the city continues its response to the outbreak.