| Literature DB >> 3188615 |
C O Tacket1, M M Levine, J B Robbins.
Abstract
After a single injection of purified Vi polysaccharide vaccine against typhoid fever, serum titres were followed in student volunteers by passive haemagglutination assay and by radioimmunoassay. Elevated Vi antibody titres were still present after 36 months. This preliminary study should be followed by further investigations on the extent and duration of protection provided by Vi vaccine, and on volunteers in endemic areas.Entities:
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Year: 1988 PMID: 3188615 DOI: 10.1016/0264-410x(88)90175-2
Source DB: PubMed Journal: Vaccine ISSN: 0264-410X Impact factor: 3.641