Partial view of bioengineer holding test tube with liquid near blurred colleague, banner - Stock Photo & Image

Technician hold in arms in protective gloves sample bottle with poison fluid portrait. Medical worker in uniform use reagent tube for virus infection exam or biological toxic reaction drug creation

Close up chemical scientist developing a new drug by adding new element with disposable pipette. Wide banner with white copy space.

Scientist holding Coronavirus covid-19 infected blood sample tube. DNA testing of the blood in the laboratory with blood sample collection tubes and syringe Coronavirus Covid-19 vaccine research

Doctor working with blood samples in hospital clinic lab

Doctor proctologist holding in his hands antiinflammatory suppository for hemorrhoids closeup. Treatment of infectious vaginitis concept

Doctor working with blood samples in hospital clinic lab