![microbiologists-are-researching-virus-and-bacteria-in-laboratory-woman-is-viewing-by-microscope-man-is-testing-drugs-in-test-tubes-in-medical-center](https://videocdn.cdnpk.net/harmony/content/video/partners1650/thumbnails/h05f20425_0059lab_small.jpg)
microbiologists are researching virus and bacteria in laboratory woman is viewing by microscope man is testing drugs in test tubes in medical center
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