Salmonella typhimurium bacterium, SEM

Salmonella typhimurium bacterium, colouredscanning electron micrograph (SEM). This bacteriumis also known as Salmonella enterica serovartyphimurium. It is a Gram-negative, rod-shapedbacterium that has flagella (hair-like structures, purple), which it uses for locomotion. S. typhimurium is a major cause of food poisoning(salmonellosis) in humans. Salmonellosis is mostcommonly caught from infected pork, poultry andeggs. It may also be spread by household pets.Symptoms include fever, chills, severe diarrhoeaand vomiting. It may be fatal in the very young, the elderly and individuals with reduced immunesystems. Treatment is with antibiotics.. Stunning Photo Gifts From Science Photo Library

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