Ключевые слова: banknote, bill, brazil, brazilian, business, care, cash, contagion, coronavirus, covid19, currency, disease, economy, epidemic, finance, health, healthcare, hygiene, illness, infection, influenza, insurance, investment, laboratory, mask, masks, medical, medicine, money, pandemic, paper, pattern, pharmaceutical, pharmacy, precaution, prevention, price, protection, reais, safety, sale, science, supplies, viral, virus,