Чоловік-лікар в захисній медичній формі в клініці, портрет - Стокове фото та зображення

The chemist working in the lab on new experiment

Chemist checking the quality of bathroom supplies

Coronavirus covid 19 infected blood vial in hand of female doctor with surgical mask and glows. Coronavirus covid 19 reseach laboratory, coronavirus covid-19 vaccine research. Selective focus

The chemist working in the lab on new experiment

Young woman wearing protective clothes in laboratory

Scientist writing notepad looking at test tube with liquid reagent. Lab scientist and chemical laboratory glassware

Medic in hazmat protective suit holds a test tube with a coronavirus positive blood sample from Wuhan, China. 2019 nCoV pandemic. stop coronavirus. MERS. A virologist is thinking of a coronavirus

The male biochemist working in the lab on plants

Researchers test blood samples in the laboratory. Researchers are inventing vaccines to treat COVID-19 virus.

Woman scientist looking at slide with blood sample near microscope in laboratory. Blood test

Woman scientist looking through a microscope in laboratory. Scientific research