Afrikanisch-amerikanischer Wissenschaftler arbeitet im Labor. Männlicher Arzt, der mikrobiologische Forschung betreibt. Laborwerkzeuge: Mikroskop, Reagenzgläser, Geräte. Biotechnologie, Chemie, Bakteriologie, Virologie, Dna und - Stock-Footage & -Video

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. Male doctor making microbiology research. Laboratory tools: microscope, test tubes, equipment. Biotechnology, chemistry, bacteriology, virology, dna and

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. Male doctor making microbiology research. Laboratory tools: microscope, test tubes, equipment. Biotechnology, chemistry, bacteriology, virology, dna and

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

Scientists in protection suits and masks working in research lab using laboratory equipment: microscopes, test tubes. Biological hazard, pharmaceutical discovery, bacteriology and virology concept.

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