Ключевые слова: article, australia, bat, breath, breathing, clinical, contagious, corona, curve, deadly, diagnosis, epidemic, examine, expensive, facial, fear, flu, germ, global, healthcare, hospital, ill, illness, individual, infection, infectious, influenza, letters, microbiology, mouth, novel, nurse, occupation, organization, protect, respiratory, science, sick, sickness, surgeon, surgery, surgical, swine, symptom, syndrome, therapy, vaccine, viral, virus, world,