https://joy.videvo.net/videvo_files/video/free/2021-02/large_watermarked/210204_02_Covid-19%20Test_4k_002_preview.mp4 Sliding Close Up Shot of COVID Test Tube with Negative Result A sliding close-up shot of a COVID-19 test tube reading a negative result on top of table surface in front of face mask and surgical gloves. coronaviruscovidcovid-19gloveshealthcareillnessmaskmedicalnegativepandemicsars-cov-2sciencesurgicalswabtestTube