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 Island, NY Vector: Aedes albopictus Status: Locally acquired

What has been confirmed

New York health authorities reported a confirmed chikungunya case classified as locally acquired in Nassau County after laboratory testing at the Wadsworth Center. Details were earlier reported by the New York Times, and public updates continue via CIDRAP.

•Case confirmed in Nassau County, Long Island; classified as locally acquired after confirmatory testing.
•Source of exposure is not precisely known; local transmission can occur when a mosquito bites an infected traveler and then another person.
•Aedes albopictus is present in parts of downstate New York. Aedes aegypti is not established in New York.
•Officials describe current risk as very low during colder night temperatures.

Close-up view representing mosquito control activity and public health messaging — Feature image placed within the flow for visual context.

Where was the case reported?

Nassau County • Long Island

Map © OpenStreetMap contributors • Tiles by OSM | Centered near Hempstead in Nassau County.
Context on spread: Chikungunya surge context

60‑Second Check

Q1. Can chikungunya spread directly from one person to another?

Q2. Which mosquito is established in parts of downstate NY?

Q3. What is the current risk level noted by officials?

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External Reference

CIDRAP update on NY chikungunya Report of the Long Island case

This section covered the confirmed locally acquired chikungunya case in New York, common symptoms, basic precautions, an approximate Nassau County map view, and related links for background.

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New York Confirms State’s First Locally Acquired Case of Chikungunya