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Verywell Health on MSNTyphoid: Everything You Need to Know About This Infectious DiseaseTyphoid is caused by the Salmonella typhi bacterium ... contains a purified version of Vi antigen and is given in a single ...
DURING secondary response, elicited in sensitized rabbits by means of intravenous injections of the homologous antigen ... the injection of living Salmonella typhi (about 500 millions/kgm.). The ...
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