Riverside, CA – Late last week Riverside County issued a Public Health Advisory reminding Riverside County residents, with the arrival of warmer weather, to expect greater seasonal mosquito activity and the threat of West Nile Virus (WNV), Zika Virus Disease (ZVD) and other vector-borne diseases. In 2019, statewide there were 243 WNV infections with six fatalities, 12 of the cases were reported in Riverside County. Mosquitoes collected from traps in Thermal recently tested positive for St. Louis Encephalitis (SLEV). This was the first mosquito sample in 2020 to test positive for the virus in the Coachella Valley. Since 2015, California has reported 746 travel-associated ZVD cases, nine of which were attributed to sexual transmission. As of May 22, 2020, no cases have been reported in Riverside County. To learn more about West Nile Virus and other vector borne diseases visit https://www.rivco-diseasecontrol.org/.