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Gloved hand of laboratory worker in whitecoat taking small flask with coronavirus blood sample to look it through microscope
Doctor holding a blood vessel and analyzing it in a hospital laboratory
Medical researcher and blue latex gloves to prevent germs Shows a patient's blood vessels being taken to research experiments in the lab.
Laboratory assistants are investigating chemical reactions, medical scientists, chemical researchers, chemical experiments and disease testing from patient blood samples. Medicine and research concept
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ravil_sCovid-19 infected blood sample in tube and microscope on table in research lab. Vaccine research concept
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