Ключевые слова: background, cartoon, catchy, cell, collection, contagious, cov, danger, design, disease, epidemic, flat, flu, flue, graphic, green, hiv, icon, illness, illustration, infection, infectious, isolated, lethal, mask, medical, mers, microbe, ncov, outbreak, pandemic, pathogen, pathogenic, prevention, protective, respiratory, sars, science, set, symbol, viral, virology, virus, white,