Arzt im Schutzanzug hält Reagenzgläser beim Abwischen im Labor - Stockfoto & -bild

Epidemiological researchers in virus protective clothing use laptop computer to research chemical compounds on the internet. Coronavirus disease 2019 (COVID-19) testing process in a laboratory.

Chemist checking the quality of bathroom supplies

Chemist working in the lab

Scientist shakes green biochemical product in erlenmeyer flask mixing and research in laboratory. Lab assistant work in corona virus pandemic laboratory, COVID 19. Drug development, medical research.

Woman working with a microscope in lab

Chemist testing chemical substances in lab

Chemist testing chemical substances in lab

Chemist working in the lab on new experiment

Chemist working in the laboratory with hazardous chemicals