Development of a novel competitive ELISA method for Typhoid Vi Polysaccharide Quantitation
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Licensed typhoid vaccines contain Vi polysaccharide (ViPS), a capsular antigen of Salmonella. Typhi (S.typhi), either unconjugated or conjugated to carrier proteins like tetanus toxoid (TT), diphtheria toxoid (DT), and Cross-reactive material 197 (CRM-197). Qu... ...