Ключевые слова: 2019ncov, breath, breathing, corona, coronavirus, coronavirus 2019ncov, cough, covid19, disease, disinfect, doctor, educational, emergency, epidemic, er, examine, examining, fever, flu, health, hospital, human lungs, hygiene, ill, illness, infection, influenza, intervention, life, medical, medicine, patient, pneumonia, prevention, protection, respiratory, sars, sick, sickness, spread, sterile, stethoscope, surgical, symptoms, treatment, unconscious, virus,