Ключевые слова: blue, breath, breathing, care, closeup, concept, coronavirus, cough, covid, covid19, danger, disease, doctor, epidemic, face, flat, germs, health, health care, healthcare, hospital, ill, illness, infection, influenza, isolated, lay, layout, mask, medic, medical, medicine, mouth, nurse, pandemic, prevention, protection, protective, respiratory, safe, sick, surgery, surgical, table, top, virus,