Ключевые слова: absence, activity, area, attention, barricade, barrier, biological, buy, caution, close, closed, counters, danger, disease, empty, entry, epidemic, fever, hazard, infected, infection, infectious, line, medical, no, nobody, outbreak, pandemic, pneumonia, problems, prohibited, protection, quarantine, ribbon, safety, security, sell, shelves, shop, shortage, sign, stop, strip, supermarket, supplies, symbol, tape, virus, warning, yellow,