Ключевые слова: aid, antibacterial, bacterium, biohazard, breath, caution, contagious, contamination, corona, coronavirus, covid19, defense, disease, disinfect, drug, epidemic, filter, flu, global, gloves, hazard, health, health care, healthcare, illness, infection, inscription, mask, medical, medicine, microbiology, official, pharmacy, poisonous, prevention, protection, quarantine, respirator, respiratory, risk, safety, science, security, self isolation, sneezing, symptom, temperature, thermometer, vaccine, virus,