healthcare worker using covid antigen test |
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navigate by keyword : coronavirus covid corona virus antigen test testing nasopharyngeal culture swab sample reagent reactant sars pcr rapid diagnostic device diagnose immunity immune response kit screening detection positive negative result pandemic healthcare health care medicine infection infectious illness disease transmission transmitted medical outbreak blue lab laboratory man person people horizontal worker closeup wearing surgical gloves contact insert |
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closeup of a healthcare worker wearing blue surgical gloves put the sample of a nasopharyngeal swab in contact with the reactant before to insert it into the covid-19 antigen diagnostic test device |
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