A doctor wearing a protective mask makes a test drop on a glove from a syringe. Vaccine and test in humans. - Stock Photo & Image

Female researcher/doctor inoculating flu virus into chicken eggs.

A professional cosmetologist doctor holds in his hand a syringe with anti-aging fluid. A hanging drop on the end of a needle with a filler over a gloved doctor finger. Injection concept in cosmetology

A professional cosmetologist doctor holds in his hand a syringe with anti-aging fluid. A hanging drop on the end of a needle with a filler over a gloved doctor finger. Injection concept in cosmetology

The cosmetician holds a syringe with a preparation for mesotherapy

Nurse holding a prick in gloves, a syringe close-up, isolated on a blue background

Doctor with syringe, health care

Handsome man in doctor uniform holding syringe and ampoule with liquid, studio shot.

A professional cosmetologist doctor holds in his hand a syringe with anti-aging fluid. A hanging drop on the end of a needle with a filler over a gloved doctor finger. Injection concept in cosmetology

Young caucasian woman doctor dripping a drop of vaccine or injection from a syringe onto a gloved finger. Vaccinations and injections in cosmetology and medicine.

Studio portrait of a male doctor in a white coat with a syringe and an ampoule of a vaccine in his hands. Caucasian doctor on brown background.

A young doctor Caucasian woman in medical clothes and rubber gloves without a protective mask is drawing a vaccine or medicine from an ampoule into a syringe. Failure to comply with medical safety.

Woman doctor beautician picks up liquid into a syringe for injection rejuvenation.

A young male Caucasian doctor in a mask holds a syringe with an injection with his gloved hand. Vaccines and vaccinations and injections concept. Focus on the syringe.

Woman doctor beautician picks up liquid into a syringe for injection rejuvenation.

Young caucasian male doctor in a white coat holding a syringe with a vaccine. Focus on the syringe.