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Ключевые слова:
analysis, blood, care, closeup, concept, contamination, coronavirus, cotton swab, covid, covid19, diagnostic, disease, doctor, epidemic, equipment, flu, hand, health, infection, lab, laboratory, medical, medicine, mouth, nasal, nasopharyngeal, ncov, nose, oropharyngeal, pandemic, patient, pneumonia, positive, ppe, quarantine, research, respiratory, sample, sars, science, specimen, swab, test, test tube, throat, treatment, tube, virus, woman,