Close up of middle-aged Caucasian man pharmacist in goggles and gloves holding glassware with blue liquid in modern laboratory. Male medical scientist works on coronavirus cure. Chemical research - Foto e imagen de stock

Close up of middle-aged Caucasian man pharmacist in goggles and gloves holding glassware with blue liquid in modern laboratory. Male medical scientist works on coronavirus cure. Chemical research

Close up of Caucasian experienced male professional chemist in mask, gloves and white coat holding glassware with blue liquid working on antiviral covid-19 treatment development. Science concept

Caucasian senior male pharmacist in mask and goggles working in lab looking at blue liquid in flask doing medical research, providing experiment in laboratory, science, close up concept, healthcare

Caucasian male pharmacist in mask and goggles working in lab examining blue liquid in flask doing medical research, looking at camera, providing experiment in hospital laboratory, close up concept

Close up of concentrated Caucasian man pharmacist in goggles and mask holding flask with blue liquid cure in modern laboratory. Male medical specialist working on coronavirus cure

Close up of Caucasian experienced male professional chemist in mask, gloves and white coat holding glassware with blue liquid working on antiviral covid-19 treatment development. Science concept

Caucasian beautiful woman chemistry researcher in sterile laboratory using glassware to test microbiology liquid. Close up of young female scientist working on virus cure in test tube working in lab

Close up portrait of pretty young Caucasian female medical scientist in white coat, goggles and mask looking at flask with blue liquid in working laboratory developing virus cure, healthcare concept

Caucasian woman scientist in the white robe looking in the microscope while doing some investigation and her male colleague testing some liquid in tube at the laptop computer.

Close up portrait of concentrated handsome African American young male medical scientist in white coat and mask looking at flask with blue liquid in working lab developing virus cure, healthcare

Portrait shot of the men scientist looking in the microscope while investigating something in the laboratory, while his male mixed-races co-workers talking on the background.