Mosquitoes Test Positive for West Nile Virus in Grant County, Says Health District

West Nile virus detected in mosquitos in Grant County

West Nile virus has been detected in mosquitoes in Grant County. Officials with the Grant County Health Department (GCHD) confirmed they found positive samples in the Moses Lake area during routine testing on June 23. A positive result was confirmed nearly a week later on June 29. “Mosquitoes are more than just a nuisance; they can carry diseases like West Nile virus,” Amber McCoy, the GCHD Investigation and Response Manager, stated. “While most…

Mosquitos test positive for West Nile virus in Grant County

Mosquitos, collected from the Moses Lake area, tested positive for West Nile virus earlier this week.

Moses Lake area mosquitoes test positive for West Nile virus

MOSES LAKE, Wash. — Mosquitoes collected in the Moses Lake area tested positive for West Nile virus, with samples gathered June 23, 2026, and the result confirmed June 29, 2026.

Mosquitoes test positive for West Nile Virus in Grant County, says health district

The mosquitoes were collected near Moses Lake during routine testing on June 23 and were confirmed to be carrying the virus on Monday.

West Nile Virus Detected in Grant County Mosquitoes

MOSES LAKE, WA — Mosquitoes collected in the Moses Lake area have tested positive for West Nile virus, marking the first confirmed detection in Grant County this year, according to the Grant County Health District. The mosquitoes were collected during routine surveillance on June 23, with laboratory confirmation received June 29. Health officials say infected mosquitoes could also be present in other parts of the county. West Nile virus has also…

West Nile spotted in Grant County mosquitoes

EPHRATA — Mosquitoes collected for sampling in Grant County have tested positive for West Nile virus, which can lead to encephalitis when transmitted to humans.