Vi antigen


: a heat-labile somatic antigen thought to be associated with virulence in some bacteria (as of the genus Salmonella) and especially in the typhoid fever bacterium and used to detect typhoid carriers through the presence in their serum of agglutinins against this antigen

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Cite this Entry

“Vi antigen.” Medical Dictionary, Merriam-Webster, Accessed 25 May. 2024.

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