Mosquitoes in Crystal City and Pevely Test Positive for West Nile Virus Jefferson County, Missouri – On August 5, adult mosquitoes collected from a trap site...
Mosquitoes in High Ridge Test Positive for West Nile Virus On July 31, adult mosquitoes collected from a trap sites in High Ridge tested positive for the West...
Mosquitoes in Desoto Test Positive for West Nile Virus On July 22, adult mosquitoes collected from a trap site in the city of Desoto tested positive for the...
Mosquitoes in Arnold Test Positive for West Nile Virus On July 15, adult mosquitoes collected from two trap sites in the city of Arnold tested positive for the...
Jefferson County Health Department Reports First Rabies Case of 2026 On April 29, 2026, Jefferson County Health Department (JCHD) was notified by the Missouri...
Jefferson County Health Department (JCHD) is reporting the first detection of West Nile Virus in a mosquito population in Jefferson County this year. Specimens...
