Selektiver Fokus eines afrikanisch-amerikanischen Wissenschaftlers beim dna-Test - Stockfoto & -bild

Scientist in protective suit holds test tube with poisonous liquid. Hazardous chemicals.

Young chemist student working in lab on chemicals

Close-up shot of unrecognizable chemist in protective clothing looking at test tubes with biohazard substance while working at modern laboratory

Researcher in protective suit holds the chemical reagents of samples. Chemical analyzes concept

Scientist in protective suit and mask holds test tubes. Study of chemical hazardous substances concept

Researchers load blood samples of patients infected with the disease in the laboratory. Researchers are inventing vaccines to treat COVID-19 virus.

Scientist team researching Coronavirus cure in the laboratory. Asian Doctor working on vaccine against virus infection.