gloved hand holding sars cov positive sample test tube medical laboratory |
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| navigate by keyword : sars cov covid positive sample test tube virus hand glove laboratory medical healthcare science research diagnosis pandemic global health disease infection testing analysis experiment biotechnology microbiology virology vaccine treatment prevention crisis epidemic clinical result discovery development medicine scientific equipment liquid blue light technology lab doctor scientist professional safety protection examination |
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| A gloved hand holds a test tube labeled sars cov 2 positive sample in a laboratory setting, indicating a medical test result for viral detection |
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