Western Nile virus was found in two dead birds and mosquitoes in eastern Contra Costa, said the Mosquito County & Vector Control District Friday.
The district warns the virus peaks in August and September when baby birds leave nests and mosquitoes (19659002) So far, there was another dead bird in 2018 and four other mosquito groups that were tested positive for the virus in Contra Costa County, according to the district.
"This means a higher risk for human viral transmission and so it is important for Contra County residents to take steps now to avoid mosquito bites," said Steve Schütz, the county's scientific program manager.
West Nile, a virus reported in all US states, is spread by mosquitoes on people bites and most infected individuals recognize no symptoms according to the Centers for Disease Control and Prevention
One in five develops fever or others Symptoms and one in 1
Mosquito u. Vector Control District of Contra Costa said people should use mosquito repellents, runoff pools or other stagnant water that feed on mosquitoes and report dead birds to 1-877-968 -2473.