Ключевые слова: analysis, analyzing, biochemistry, biology, biotechnology, blood, blood test, blood tube, chemical, chemistry, clinical, closeup, coronavirus, covid19, diagnostic, disease, doctor, examine, experiment, glass, glove, hand, health, healthcare, holding, isolated, lab, laboratory, latex, liquid, medical, medicine, microbiology, plasma, red, research, researcher, sample, science, scientific, scientist, technician, technology, test, tube, tubes, virus, white, working,