Environmental Health

Close-up of an Aedes mosquito on a yellow surface, associated with chikungunya transmission.

New York’s First Local Chikungunya; U.S. First Since 2019

New York Confirms State’s First Locally Acquired Case of Chikungunya Confirmatory testing at the Wadsworth Center identified a locally acquired chikungunya infection in Nassau County. Health officials described current risk as very low and advised basic mosquito‑bite precautions. Location: Long
October 16, 2025