Ключевые слова: aid, background, bankrupt, board, business, closed, concept, corona, coronavirus, country, covid19, danger, dangerous, economic, economy, emergency, epidemic, glass, global, infection, influenza, information, isolation, lockdown, market, mask, medical, news, notice, outbreak, pandemic, prevention, protect, protection, quarantine, restaurants, self, shop, shutdown, sick, sign, stop, text, unemployment, viral, virus, warning, window,