![Bearded-Caucasian-male-researcher-wearing-protective-glasses-and-working-with-a-microscope-spbas.-scientist-using-microscope-in-a-laboratory.-Search-for-coronavirus-vaccine.-High-quality-4k-footage](https://v6.cdnpk.net/videvo_files/video/partners1644/thumbnails/h38d8da0f_0083cm_small.jpg)
Bearded Caucasian male researcher wearing protective glasses and working with a microscope spbas. scientist using microscope in a laboratory. Search for coronavirus vaccine. High quality 4k footage
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