Ключевые слова: aid, background, bacteria, bed, blood, breathing, care, celebration, concept, corona, coronavirus, covid, day, decor, decoration, design, disease, doctor, epidemic, flu, gift, health, heart, holiday, hospital, hygiene, ill, infection, isolated, love, mask, medical, medicine, nurse, outbreak, pneumonia, protection, quarantine, red, red heart, romance, romantic, safety, shape, sick, sign, symbol, valentine, virus, white,