Medical worker's hands with protective, blue, nitrile gloves, holding a test tube and taking a blood sample with a pipette, on a white background. Coronavirus test. A corona pandemic , COVID19. - Stock Photo & Image

Hand holding blood in test tube take with blue filter.

Scientist is giving a blood sample to a colleague isolated on gray background

Hand in latex glove holding blood sample in test tube close up isolated on white background.

A young doctor, laboratory practitioner with a medical face mask and gloves, holding a test tube with blood sample, on a white background. Periodic blood test. Coronavirus test. A corona pandemic.

A young doctor, laboratory practitioner with a medical face mask and gloves, holding a test tube with blood sample, on a white background. Periodic blood test. Coronavirus test. A corona pandemic.

A hand in medical glove, holding a test tube with blood sample, on a green background, close-up. Periodic blood test. Coronavirus test. A corona pandemic.

A hand in medical glove, holding a test tube with blood sample, on a green background, close-up. Periodic blood test. Coronavirus test. A corona pandemic.

A close-up of doctor, laboratory worker, pharmacist hands with blue, protective, medical gloves, holding an ampoule with red liquid on a white background. Medicine, pharmaceutics. Diseases treatment.

A hand in medical glove, holding a test tube with blood sample, on a green background, close-up. Periodic blood test. Coronavirus test. A corona pandemic.

A young doctor, laboratory practitioner, with medical gloves, holding a test tube with blood sample on a white background. Coronavirus pandemic, epidemic. Corona virus.

A hand in medical glove, holding a test tube with blood sample, on a green background, close-up. Periodic blood test. Coronavirus test. A corona pandemic.

Medical worker's hands with protective, blue, nitrile gloves, holding a test tube and taking a blood sample with a pipette, on a white background, with copyspace. Coronavirus test. A corona pandemic.

Young laboratory practitioner with a surgical mask and gloves, holding a test tube and takes a blood sample with a pipette, on green background. Coronavirus test. A corona pandemic SARS-CoV-2