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Laboratory assistant's hand in protective gloves with a pipette. Medical research. The threat of coronavirus. Copy space. Top view

Identical test tubes and hand close-up

Closeup on plastic tubes for DNA amplification held in gloved hand. Scientific background, text space. Shallow DOF, focus on the glove.

Laboratory doctor with a test tube of blood tests in hands on a white background.

Woman doctor hand holding blood test result

Scientist working with blood sample in laboratory.A blood test result for the new rapidly spreading Corona virus pandemic concept.Coronavirus vaccine development

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Analysis studies in a chemical laboratory. Lab technician's hands in protective gloves close-up 2019-nCoV. The threat of a coronavirus epidemic.Copy space. Top view

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