West Nile virus detected in mosquitoes in these 9 Staten Island ZIP codes

STATEN ISLAND, N.Y. — Mosquitoes carrying the West Nile virus have been detected across New York City, with Staten Island accounting for the majority of recent cases, according to data from the New York City Health Department.

Of the 141 positive mosquito results citywide in 2025, approximately 47% or 66 came from Staten Island, according to the 2025 positive results summary.

The Health Department collected the samples to monitor the spread of the virus.

In the past two weeks, mosquitoes carrying West Nile virus were detected in nine of 12 Staten Island ZIP codes, according to recent trap data.

The most widespread activity was reported in ZIP code 10314, where positive samples were found on five different dates. Those positive samples came from Bloomfield, Bulls Head, Chelsea, Greenridge, New Springville, Westerleigh and Willowbrook.

Other areas which registered positive tests include:

• The 10305 ZIP code area, where the virus was detected in Dongan Hills, Arrochar, and Grasmere, on July 8, 14, and 15.
• The 10312 ZIP code area, where the virus was detected in Eltingville and Annadale on July 1, 8, and 15.
• The 10304, 10306, and 10307 ZIP code areas. Each had one detection on July 15, affecting the Dongan Hills, Midland Beach and Richmond Valley areas.
• The 10303 ZIP code area, where the virus was detected in Arlington on July 10.
• The 10308 ZIP code area, where the virus was detected in Great Kills on July 8.
• The 10310 ZIP code area, were the virus was detected in Port Richmond on July 11.

The last positive results were taken on Tuesday, July 15.

Health officials are closely monitoring the situation. Although no human cases have been reported so far, officials warn that West Nile virus can cause symptoms such as fever, headaches, fatigue, body aches, vomiting, diarrhea, and rash.

The virus is transmitted through the bite of an infected mosquito.

Residents are urged to take precautions by using insect repellent, wearing long sleeves when outdoors, and eliminating standing water around their homes to reduce mosquito breeding.