Обрезанный вид врача в латексной перчатке, держащего пипетку с жидкостью - Стоковое фото и изображение

Researcher dropping the reagent or chemical liquid into blood samples. COVID-19 virus. Laboratory science, research, chemistry, technology, biology concept.

Coronavirus vaccine development medical research

Researcher holding vaccine sample in the laboratory. Researcher is inventing vaccines to treat COVID-19 virus.

Close-up of a medical test tube in the hands of a doctor in latex gloves at his desk. Office of the medical investigator.

Scientists or doctors collect viral samples for preparation analysis and production of vaccines in the laboratory , Vaccine research to eliminate viruses concept.

Hands of a scientist who works with pipette and a test tube. Research technician in the genetic laboratory.

Vitrification (cryostorage) of sperm samples or oocytes, in vitro fertilization process close up.