Ключевые слова: anatomy, asthma, breathing, bronchitis, cold, coronavirus, cough, covid19, dangerous, deadly, disease, epidemic, failure, flu, illness, infection, influenza, inhalation, internal, lungs, management, medical, medication, medicine, microbe, nasal, outbreak, pathogen, pneumonia, prevention, protection, pulmonary, respiration, respiratory, risk, sars, shortness, sick, sickness, structure, symptom, symptoms, transmit, treatment, vaccine, viral, virus, warning,