Ключевые слова: analysis, antibody, blood, care, check, closeup, concept, control, diagnosis, diagnostic, disease, doctor, epidemic, equipment, flu, global, health, hospital, immunity, infection, infectious, kit, lab, laboratory, medical, medicine, nasal, negative, pandemic, patient, pcr, pneumonia, positive, quarantine, research, respiratory, sample, science, swab, test, treatment, virology, virus,