The Hays County Health Department has reported its first positive case of West Nile virus in a human this year. It has not reported any positive mosquito pools in 2025.

The department is withholding details about the person who tested positive with the mosquito-borne illness including age, gender and where the person lives for privacy reasons. West Nile virus is contracted after an infected mosquito bites a person.

Hays County health officials said the key to preventing West Nile virus is to minimize the number of mosquitos where people live. It is putting down mosquito traps that encourage females about to lay eggs to go into the trap and has an online map of where it has been tracking mosquitos.

This is the second positive West Nile virus in a human in Central Texas. Earlier in July

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