coronavirus covid respiratory sputum specimen swab test tube with gloves mask specialist protective suit examines the |
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| navigate by keyword : 2019ncov analysis bag biohazard care caution chemistry clinic clinical contamination corona coronavirus cov covid covid19 diagnose diagnosis diagnostic disease emergency epidemic equipment exam gloves health healthcare hospital infection influenza lab laboratory mask medical medicine mucous negative nurse positive respiratory result sample sarscov2 secretion specimen sputum swab test treatment tube virus |
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| Coronavirus Covid-19 respiratory sputum specimen swab test tube with gloves, mask. a specialist in a protective suit examines the sample virus SARS-CoV-2. examination of sputum with suspected covid-19 |
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