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To determine the utility of screening anti-Vi antibodies to detect chronic Salmonella Typhi carriers in an endemic community.We conducted a community-based serologic survey for anti-Vi antibodies to identify chronic Salmonella Typhi carriers in a typhoid endemic region in Vietnam.We tested sera from 3209 (67.2%) of 4772 eligible adults. The median age was 37 years (range 20–92), 57.3% were female,...
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