アフリカ系アメリカ人の科学者が研究室で働いている。微生物学研究を行う男性医師。研究室のツール:顕微鏡、試験管、機器。生物学、化学、細菌学、ウイルス学、 DNAと - ストックフッテージ＆ビデオ

African-american scientist working in lab. Doctor making microbiology research. Laboratory tools: microscope, test tubes, equipment. Biotechnology, chemistry, bacteriology, virology, dna and health

Researcher working in lab with microscope, researcher in biochemical lab

Cropped view of scientist using microscope in lab

Scientist in a coverall suit is adjusting a microscope in a modern lab. The woman is making coronavirus testing.

Researcher Working in Lab .researcher in Biochemical Lab.

Cropped view of scientist researching coronavirus blood sample on microscope

African-american scientist working in lab. Doctor making microbiology research. Laboratory tools: microscope, test tubes, equipment. Biotechnology, chemistry, bacteriology, virology, dna and health

African-american scientist working in lab. Doctor making microbiology research. Laboratory tools: microscope, test tubes, equipment. Biotechnology, chemistry, bacteriology, virology, dna and health

Scientific microscope in laboratory close-up. Pandemic disease, healthcare, vaccine research and coronavirus covid-19 test concept.

Close-up of scientific microscope. Laboratory in hospital. Epidemic disease, healthcare, vaccine research and coronavirus 2019-ncov test concept.

Scientific laboratory close-up. Pandemic disease, healthcare, vaccine research and coronavirus covid-19 test concept.

African-american scientist working in lab. Male doctor making microbiology research. Laboratory tools: microscope, test tubes, equipment. Biotechnology, chemistry, bacteriology, virology, dna and