Mosquitoes test positive for West Nile virus in Lake County

Daily Herald report
Updated 6/18/2020 4:25 PM

A mosquito batch sampled June 4, in Hawthorn Woods has tested positive for West Nile virus, and marks the first confirmed virus presence in the county this year, Lake County Health Department officials said in a news release Thursday.

Culex pipiens mosquitoes, which are the primary carriers of West Nile virus, are most abundant when the weather is hot. Residents can help prevent these mosquitoes from breeding by eliminating areas of stagnant water from their properties.


In 2019, 61 pools or batches of mosquitoes tested positive for West Nile virus. Since 2002, there have been 73 confirmed human cases of West Nile virus in Lake County, and four confirmed deaths.

Find more prevention tips and information on West Nile virus at

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