Cientista afro-americano focado adicionando líquido vermelho na placa de Petri - Banco de fotos e imagens

Blurred african american scientist looking at pipette with red liquid in lab

Blurred african american scientist adding red liquid into petri dish in lab

Blurred african american doctor adding red liquid into test tube

Completing tasks. Hard-working promising chemical assistant feeling responsible while completing his tasks

Professional virologist. Skilled smart male scientist studying new viruses while working in the lab

New cure. Selective focus of test tubes while being filled with vaccine

Partial view of african american scientist taking blood from test plate with pipette

Partial view of african american doctor in white coat holding digital tablet

Cropped view of african american scientist taking blood from test plate with pipette

African american doctor in white coat using laptop near patient on blurred foreground

Happy african american doctor in white coat talking with blurred patient near laptop on desk

Young african american doctor in white coat with stethoscope looking at camera