doctor holds covid swab collection wears blue gloves and ppe protective mask carries test tube collect the |
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| navigate by keyword : 2019ncov analysis biochemistry clinic corona coronavirus cotton swab covid19 diagnostic medical tool disease dna test doctor elisa epidemic health care medicine horizontal hospital illness infection infectious influenza lab laboratory equipment exam microbiology nasal nasopharyngeal negative patient pcr protocol research result sarcov2 science scientist sterile tube vaccine virus holds covid collection wears blue gloves ppe protective mask carries collect |
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| Doctor holds a COVID-19 swab collection, wears blue gloves and a PPE protective mask, and carries a test tube to collect the OP NP and test coronavirus. |
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