West Nile Virus (WNV) Found in Manchester MosquitoesPublished:Jul 24 2025 3:52 PMCategory:Health NewsMANCHESTER, NH – The City of Manchester Health Department announced today that one batch of mosquitoes, collected in Manchester on July 14, 2025, has tested positive for West Nile Virus (WNV). This is the first batch of mosquitoes to test positive in Manchester this season