Ключевые слова: acid, bacteria, bacterial, bacteries, bacterium, biology, cell, close, closeup, concept, cure, danger, dark, delete, diarrhoea, disease, electron, enteric, fever, food, health, human, inside, internal, macro, medical, micro, microbiology, microcells, microscope, organisms, prokaryotic, protect, protection, risk, salmonella, scanning, science, sem, small, unhigienic, virus,