West Nile Virus Detected in Barnstable Mosquitoes
West Nile virus was confirmed in mosquitoes collected in Barnstable, prompting increased bite-prevention awareness during the town’s 2026 summer season.
mosquito surveillance
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Frisco Confirms Two Mosquito Pools Positive for West Nile Virus
Frisco reported two mosquito pools positive for West Nile virus on July 24, raising the local public-health alert level during the summer season.
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Wisconsin reports first 2026 West Nile virus activity in mosquitoes and a wild bird
Wisconsin health officials reported West Nile virus in mosquitoes collected in Milwaukee County and in a wild bird from Bayfield County. No human cases had been reported as of July 14.