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    Medical in protective clothing takes COVID-19 swab test tube from mouth at Covid-19 test center during coronavirus epidemic. PCR DNA testing protocol process. : Stock Photo or Stock Video Download rcfotostock photos, images and assets rcfotostock | RC Photo Stock.: Medical professional in protective clothing takes COVID-19 swab test tube kit at Covid-19 test center during coronavirus epidemic. PCR DNA testing protocol process. : Stock Photo or Stock Video Download rcfotostock photos, images and assets rcfotostock | RC Photo Stock.: Medical professional in protective clothing takes swab test tube from mouth of a Exhausted clinician at a Covid-19 test center during coronavirus epidemic. 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