Ключевые слова: alert, attention, background, care, caution, collage, contamination, corona, coronavirus, covid, covid19, danger, disease, epidemic, flu, global, health, house, illness, illustration, infected, influenza, lock, lock down, lockdown, mask, medical, outbreak, pandemic, poster, prevention, protection, quarantine, quarantine zone, respiratory, risk, safe, safety, science, secure, security, sick, stay home, vaccine, virus, warming, world,