Massachusetts' first animal case of West Nile virus in 2025 has been discovered in Lunenburg, the state Department of Public Health said Tuesday, July 15. The towns of Lunenburg and Shirley as well as the cities of Leominster and Fitchburg are being designated moderate risk for West Nile virus following the confirmed case in a goat.

West Nile virus was detected in a goat in Lunenburg, marking the first animal case in Massachusetts in 2025. Nearby towns are now at moderate risk, officials say.

The Bucks County Health Department said it has been focusing its energies on habitat reduction and larval control.

Dallas begins mosquito control spraying in response to West Nile Virus-positive samples, advising residents to remain indoors during night-time treatment.

Warming trends across North America have helped establish West Nile virus (WNV) as an endemic disease in New York state, and in the future continued climate change will help increase transmissibility of the virus, according to new research published late last week in Scientific Reports.

Lubbock is reminding citizens of its online method to request mosquito spraying as recent heavy rainfall creates conditions for the insects to thrive.