Ключевые слова: bacteria, ban, biohazard, caution, cell, chemical, danger, dangerous, disease, dust, ebola, epidemic, fine, flu, forbidden, germs, get, grippe, hazard, health, illness, illustration, infection, line, medical, medicine, no, pandemic, pathogen, pneumonia, prevention, prohibited, protect, protection, quarantine, shot, sick, sign, stop, swine, symbol, viral, virus, warning,