Ключевые слова: 19, analysis, analyzing, blood, cover, diagnostic, disease, doctor, epidemic, equipment, er, flu, gloves, health, hospital, infection, lab, laboratory, mask, medical, medicine, pandemic, pcr, personal, ppe, protection, protective, pulmonary, research, respiratory, sample, science, scientific, scientist, technician, test, tube, vaccination, vaccine, viral, virology, virus,