The first locally acquired human cases of West Nile virus this year have been confirmed in the cities of Rialto and San Bernardino, the Department of Public Health announced today.
![West Nile Mosquito Virus](https://bosd4.sbcounty.gov/wp-content/uploads/sites/102/2023/08/West-Nile.png)
The first locally acquired human cases of West Nile virus this year have been confirmed in the cities of Rialto and San Bernardino, the Department of Public Health announced today.