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Blue eyed man in mask cap and gloves holds test tube with label coronavirus in modern researching laboratory closeup

Close up. Quality Control Workers Examining Pills in Lab. Pharmaceutical lab technicians inspecting the quality of medical pills. Pharmaceutical Industry.

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Research assistant conducts scientific experiments

Doctor in protective gear taking samples for Coronavirus vaccine for 2019-nCoV COVID virus. Female nurse with syringe for injection. Young laborant takes blood samples for prevention of viral diseases

Blue eyed man in mask cap and gloves holds test tube with label coronavirus in modern researching laboratory closeup

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