Ключевые слова: banking, black, concept, cough, crisis, currency, economy, epidemic, face mask, finance, financial, flu, h1n1, health, health care, ill, illness, investment, medical mask, medicine, model, money, pandemic, pig, piggy, piggy bank, price, quarantine, red, save, savings, sickness, stock market, strain, surgery mask, swine, vaccine, virology, virus,