LA CROSSE, WI (WTAQ) - The West Nile virus has turned up in La Crosse County for the first time this year.
A dead crow tested positive for the virus, which is spread by mosquitoes.
Most West Nile cases are normally reported in August and September. La Crosse County health director Doug Mormann says the bird's death indicates that people need to vigilant about protecting themselves from mosquito bites.
As of mid-week, Wisconsin has had six probable human cases of West Nile in Dane, Rock, Walworth, and Eau Claire counties. None of the human cases have been confirmed by federal health officials yet.
Fifty-three crows have tested positive for West Nile, not including the one from La Crosse County.
This is a proving to be a more normal year for the virus, after 4 Wisconsinites died and 53 others got sick in a widespread outbreak at this time last year.