Cientista afro-americano doente segurando guardanapo perto do nariz ao lado de colega de laboratório - Banco de fotos e imagens

Exhausted interracial scientist sitting near test tubes and clipboard

Side view of scientist in white coat standing near equipment on working table in lab

Scientist with napkin sneezing near medical equipment in laboratory

Portrait of Young female scientist working with tube test, microscope and lab equipment on table and colleague working behind her in laboratory

Interracial scientists in white coats working with test tubes and clipboard

Bioengineer looking at microscope while standing near test tubes and flasks in lab

Scientist in latex gloves and medical mask writing in notebook near test tubes and microscope

Scientist in goggles and medical mask looking at camera near test tubes and microscope

Scientist in protective mask holding flask with liquid and digital tablet in laboratory

Young scientist in medical mask and latex gloves looking through microscope in laboratory

Scientist in white coat holding blurred clipboard in lab

Smiling boy in white coat holding jar with powder near girl with test tubes on blurred foreground

Scientist holding clipboard near laptop and microscope in lab

Smiling preteen girl in eyeglasses holding test tubes in laboratory