Multiple counties in blue state recommend N-95 masks for Covid

Multiple counties in have started recommending masks indoors, amid a four-fold spike in some areas.

Health officials in three Bay Area counties are urging residents to wear well-fitting masks, such as N-95s or K-95s, in public indoor spaces like restaurants and grocery stores.

The health department in Contra Costa county, just outside of San Francisco, said the recommendation comes as cases quadrupled from May 9 to July 9.

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