Ключевые слова: airborne, allergy, antiviral, bacteria, care, causative, conceptual caption infection, contagious, contaminate, contamination, deadly, diagnose, disease, droplets, dry cough, epidemic, flu, health, health care, illness, incubation period, infect, infected, influenza, medical, medicine, mutation, outbreak, pandemic, plague, protection, research, sars, science, spread, spreader, symptoms, transmission, treatment, vaccine, viral, virology, virus, virus cell, zoonotic,