Pesticides for mosquitos may cause other problems

<br>(Tulsa-AP) -- Pesticides used to kill mosquitoes that carry West Nile virus are raising concern over the health effects they may have on people. In Oklahoma, no humans or horses have been infected.

Sunday, August 11th 2002, 12:00 am

By: News On 6

(Tulsa-AP) -- Pesticides used to kill mosquitoes that carry West Nile virus are raising concern over the health effects they may have on people. In Oklahoma, no humans or horses have been infected. Twenty-two birds in nine counties have tested positive for the virus.