Ключевые слова: background, blue, boy, care, child, close, contagion, cover, cute, dark, disease, epidemic, face, flu, germ, hand, health, healthcare, hospital, human, hygiene, ill, infection, influenza, inscription, kid, male, mask, medical, medicine, one, people, person, pertussis, pollution, protection, protective, red, safety, sick, sign, surgical, symbol, text, virus, young,