Ключевые слова: 2019ncov, air, allergy, breath, breathe, care, clip art, contour, coronavirus, disease, disposable, doctor, dust, ecology, editable, environment, epidemic, face, flu, graphic, health, icon, illness, infectious, influenza, line, linear, mask, medical, outline, pandemic, pm 25, pollen, pollution, prevention, protect, protection, protective, quarantine, respirator, safety, set, sick, sign, stroke, surgery, surgical, symbol, virus,