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Monmouth County sprays parts of Keyport after mosquitoes test positive for West Nile virus

Mosquito control crews targeted an area north of Route 36 as officials urge residents to prevent bites and eliminate standing water.

Derek Callahan

Jul 24, 2026, 6:17 PM

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Monmouth County conducted a mosquito control operation in parts of Keyport on Friday after mosquitoes collected in the area tested positive for West Nile virus.

The Monmouth County Office of Mosquito Control treated an area north of Route 36, east of Atlantic Street, south of Third Avenue and west of Chingarora Creek between 4:30 and 6:30 a.m.

The county applied the insecticide Duet using ultra-low-volume sprayers mounted on pickup trucks.

"Mid-July through September is the peak time for West Nile virus activity," Monmouth County Commissioner Susan M. Kiley said. "When people are outdoors, they should take precautions such as using repellents or wearing long-sleeve shirts and long pants to avoid mosquito bites. Residents can also reduce the presence of mosquitoes by dumping any containers holding water around their property."

Commissioner Director Thomas A. Arnone said the county conducts mosquito surveillance, monitoring and targeted treatments to reduce the risk of mosquito-borne illnesses. He said residents can request an inspection of their property to identify and treat standing water where mosquito larvae may be breeding.

County of Monmouth Mosquito Control.jpg

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