Ключевые слова: alert, asian flu, avian influenza, care, cell, corona, coronavirus, covid, danger, doctor, equipment, face, fever, flu, gel, gloves, healthcare, hospital, human influenza, illness, immunity, infect, influenza background, isolated, mask, medical, microbe, ncov, nurse, outbreak, pathogenic, people, pharmacy, prevention, protection, protective, respiratory, sample, sanitizer, sickness, spread, superbug, surgical, swine, thermometer, treatment, vaccine, viral, virus,