FLORENCE, Ky. (AP) - Health officials in northern Kentucky say there have been three human cases of West Nile virus reported there over the summer.

The health department said in a statement Thursday that all the cases have been reported since July. The agency serves residents in Boone, Campbell, Grant and Kenton counties.

Since the virus is spread by mosquitoes, officials are recommending that people who live in the area use insect repellent and wear long-sleeved shirts and pants. The also recommend eliminating any standing pools of water where mosquitoes might breed.