REDWOOD CITY — There are now nine cases of coronavirus in San Mateo County, public health officials said Monday.

San Mateo County Health said there are now four positive adult cases in the county and five more presumed positive are awaiting confirmation from the Centers for Disease Control and Prevention, officials said in a press release.

Hospitals cannot release patients until suitable isolation facilities are available, so the county is working to identify potential sites on property they own to temporarily house patients whose needs cannot be accommodates at their homes and do not warrant hospitalizations, the release said.

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California recalls N95 masks from Santa Clara company with $90 million state contract San Mateo officials ask residents to check with their local district for information about schools and warned against using social media as a means to get news about the virus.

“The best and more reliable resource for information about the coronavirus and efforts to contain its spread locally is the San Mateo County Health and nationally is the Centers for Disease Control and Prevention,” said Deputy County Manager Iliana Rodriguez. “There is a great deal of false and misleading information out there and anyone seeing something alarming should check the source.”