Ключевые слова: abstract, alien, allergy, bacillus, background, bacterium, biological, biology, cancer, cell, condition, contamination, coronavirus, dirty, disease, flu, food poisoning, germ, group, health, human, illness, infect, infected, infection, laboratory, lifestyle, magnification, medical, medicine, micro, microbe, microscopic, molecule, organism, parasitic, pathogen, poison, poisoning, pollution, rod, science, sick, sickness, toxic, ugly, unhealthy, unhygienic, venom, virus,