FILE — In this Nov. 19, 2020 file photo Registered nurses Karen Ross, right, and Angela Nguyen assist a COVID-19 patient at Providence Holy Cross Medical Center in the Mission Hills section of Los Angeles. A letter dated Nov. 25, 2020, from the California Department of Health now “strongly recommends” hospitals test all of their workers for the coronavirus each week as the state is seeing a surge of new cases and record number of hospitalizations. (AP Photo/Jae C. Hong,File)

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