Ключевые слова: bacteria, biology, bug, buzz, cholera, creature, creepy, danger, dirt, dirty, disease, disorder, dysentery, ecology, eerie, epidemic, eye, flies, fly, flying, foul, grungy, harmful, housefly, hygiene, ill, illness, infection, infectious, insect, insecticide, invertebrate, live, mouth, parasite, risk, sickness, spooky, spread, spreading, stain, stained, syndrome, ugliness, unhealthy, unhygienic, virus, wildlife, wing,