Mosquito tests show no further signs of West Nile virus

From the Half Moon Bay Review
October 7, 2020

Mosquito tests for West Nile virus done last week came back negative on Thursday, after a dead American crow in South San Francisco was found to have the virus.

The bird signaled the first indication of West Nile virus in San Mateo County since 2018, according to a statement by the San Mateo County Mosquito and Vector Control District.

Following the report, the district deployed mosquito traps in the neighborhood where the dead bird was collected.

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