Test du coronavirus. Le médecin tient dans sa main une éprouvette avec un échantillon de sang avec un résultat positif. Gros plan. Concentration sélective . - Photo & image de stock

Coronavirus testing. A nurse holds in her hand a test tube with a blood sample with a positive result. Close-up. Selective focus.

Coronavirus testing. The doctor holds in her hand a test tube with a blood sample with a negative result. Close-up. Selective focus.

Covid 19 Coronavirus infected blood in tube in hand of scientist doctor biohazard protection clothing in coronavirus research laboratory. Coronavirus Covid-19 vaccine research.

The doctor holds in his hands a test tube with blood for analysis of coronavirus, close-up of hands.

Coronavirus testing. A nurse is holding a test tube with a patients blood sample.

Modern electric toothbrush in the hands of a dentist, close-up.

Coronavirus vaccination. Detailed close-up of doctor giving an injection to patient.

Vaccination of children. Woman doctor makes injection to teenage girl. Close up of hands.

Coronavirus vaccination. Detailed close-up of doctor giving an injection to teenager.

Vaccination of children. Woman doctor makes injection to teenage girl. Close up of hands.

Vaccination of children. Woman doctor makes injection to teenage girl. Cropped shot.

Vaccination of children. Woman doctor makes injection to teenage girl. Cropped shot.

Vaccination of children. Close-up of girl holding on to her shoulder at injection site.