CALEDONIA—The Haldimand Norfolk Health Unit (HNHU) has reported that a batch of mosquitoes collected in Caledonia on July 25, 2024 have tested positive for West Nile virus (WNV). CALEDONIA—The Haldimand Norfolk Health Unit (HNHU) has reported that a batch of mosquitoes collected in Caledonia on July 25, 2024 have tested positive for West Nile virus (WNV). – Canva image …