Salmonella /sal′mənel″ə/ [Daniel E. Salmon, American pathologist, 1850–1914] , a genus of motile gram-negative rod-shaped bacteria that includes species causing typhoid fever, paratyphoid fever, and some forms of gastroenteritis. Salmonella species are widely distributed in animals, frequently producing disease that can be transmitted to humans. The most frequent manifestation of salmonella is food poisoning. See also salmonellosis.
