Alva Review-Courier -

OKLAHOMA CITY (AP) — Health officials say more than a half-dozen cases of West Nile virus have been reported in Oklahoma so far this year.

The Oklahoma Department of Health says the cases have been confirmed in Cleveland, Muskogee, Oklahoma and Tulsa counties. According to health officials, most people are infected with the virus from June through September, with the number of infections peaking in mid-August. The illness is transmitted to people by infected mosquitoes.

Health officials say the best way to prevent the disease is to avoid mosquito bites by using insect repellants and wearing lo...