Ключевые слова: attention, bacteria, biohazard, caution, chinese, city, contagious, contamination, coronavirus, cough, covid19, danger, disease, emergency, epidemic, female, global, hand, health care, humans, illness, infect, infection, infectious, life, lifestyle, mask, medical, medicine, men, microbe, pandemic, pathogen, pathogenic, people, prevention, protection, public, quarantine, risk, safety, sars, security, sick, sickness, social, vaccine, virology, virus, wearing,