Selective focus of male scientist holding test tube with coronavirus lettering - Stock Footage & Video

Serious doctor in mask holds test tube with label coronavirus in modern researching center laboratory closeup

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Medical worker holding yellow liquid sample in test tube, analyzing urine in lab

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Asian scientist holding sample with coronavirus lettering and showing thumb down

Focus pull of scientist in hazmat suit holding test tube with liquid

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Asian scientist showing thumb down and holding test tube isolated on grey

Asian scientist looking at test tube isolated on grey

Scientist adding sample in test tube with liquid near laptop