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West Nile, Minnesota

Risk of West Nile virus increasing early this Minnesota summer. Here’s what to know.
In the latest weekly update of mosquito activity, Mosquito Control’s entomology lab reported that Culex tarsalis mosquitoes — the species most responsible for human transmission of West Nile virus — are active in some of the highest numbers recorded this early.
Has West Nile virus been found in Minnesota in 2025?
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West Nile virus surges in Twin Cities; human case confirmed
West Nile virus is surging in the Twin Cities with a sharp rise in Culex tarsalis mosquitoes. Learn how you can protect yourself this summer.
Mosquitoes with West Nile virus in MN among the 'highest numbers recorded' this July
Officials are warning of one of the highest West Nile virus activities ever recorded in Minnesota during the month of July.
Unusually High West Nile Virus Surge in Minnesota After Huge Spike in Mosquito Activity
Mosquitoes carrying West Nile virus have been found in all 7 Twin Cities counties, with unusually high activity reported earlier than normal.
Mosquitos responsible for West Nile virus recorded at record numbers in metro area
The numbers of mosquitos most responsible for the transmission of West Nile virus to humans in Minnesota is among the highest ever recorded in the seven-county metro area, according to a recent update.
West Nile virus spike in Minnesota mosquitoes
The Metropolitan Mosquito Control District is warning the public about a spike in West Nile virus detected in Minnesota mosquitoes. FOX 9's Lauren Andrego spoke with an official about what can be done.
Increase in West Nile Virus in 7 Minnesota counties
Following tests on mosquitoes for West Nile Virus, the Metropolitan Mosquito Control District reported that virus activity is increasing, earlier than usual.
Early West Nile surge in Twin Cities mosquitoes has officials urging caution
Officials say West Nile virus​ is surging earlier than usual in mosquito populations in the Twin Cities metro​.
Midland County mosquito tests reveal record West Nile Virus cases in 2025
As of July 31, Midland County has seen triple the average yearly cases of West Nile Virus in tested mosquitoes for 2025 with 13 cases. While no human cases of West Nile Virus in Michigan have been reported this year,

Health officials alarmed by unprecedented July spike in West Nile-infected mosquitoes in 2 major cities

Mosquitoes in all seven Minneapolis-Saint Paul metro counties in Minnesota tested positive for West Nile virus, and over 25% ...

West Nile virus reported in western Wisconsin resident, health officials say

The Wisconsin Department of Health Services reported the case on Monday, though details about the resident's condition ...