Científico afroamericano trabajando en el laboratorio. Médico varón haciendo investigación microbiológica. Herramientas de laboratorio: microscopio, tubos de ensayo, equipo. Biotecnología, química, bacteriología, virología, ADN y - Metraje y vídeo de stock

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

Scientist working in lab. Doctor making microbiology research. Laboratory tools: microscope, test tubes, equipment. Biotechnology, chemistry, bacteriology, virology, dna and health care concept.

Scientist working in lab. Doctors making medical research. Laboratory tools: microscope, test tubes, equipment. Biotechnology, chemistry, science, experiments and healthcare concept. Day light and

My daily routine. Side view on a male researcher focusing his attention on a specimen while using a microscope and writing down his observations.

Scientist working in lab. Doctor making microbiology research. Laboratory tools: microscope, test tubes, equipment. Biotechnology, chemistry, bacteriology, virology, dna and health care concept.

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

Scientist working in lab. Doctor making microbiology research. Laboratory tools: microscope, test tubes, equipment. Biotechnology, chemistry, bacteriology, virology, dna and health care concept.

Scientist working in lab. Doctors making medical research. Laboratory tools: microscope, test tubes, equipment. Biotechnology, chemistry, science, experiments and healthcare concept. Day light and

Scientist working in lab. Doctor making microbiology research. Laboratory tools: microscope, test tubes, equipment. Biotechnology, chemistry, bacteriology, virology, dna and health care concept.

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