Public health officials in Solano County confirmed a positive West Nile Virus detection in mosquitoes collected from near the Birds Landing area in the Sacramento delta.

A crow from Walnut Creek has tested positive for West Nile virus (WNV) in Contra Costa County, confirmed the Contra Costa Mosquito and Vector Control District on Friday. This is the second West Nile-virus infected bird this year after a California scrub jay from San Ramon tested positive on July 21.

As of July 29, the California Department of Public Health reports that there have been five human cases statewide this year.