The original item was published from 8/20/2025 8:21:23 AM to 9/4/2025 12:00:00 AM.

News Flash

Health Department

Posted on: August 20, 2025

[ARCHIVED] Additional Mosquitos Test Positive for West Nile virus

The LaSalle County Health Department received confirmation that mosquitos from Ottawa tested positive for West Nile virus. The mosquitos were collected on August 18th and Environmental Health staff conducted the confirmatory test on the mosquitos at the

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