| Literature DB >> 8432597 |
S J Cryz1, N Vanprapar, U Thisyakorn, T Olanratmanee, G Losonsky, M M Levine, S Chearskul.
Abstract
Salmonella typhi Ty21a vaccine in a liquid formulation was evaluated in 634 Thai children 2 to 6 years of age. The seroconversion rate was 69% for those who received vaccine versus 14% for those who received placebo (P < 0.005). The immune responses among vaccine recipients ranged from 60% in 3-year-olds to 81% for 6-year-olds.Entities:
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Year: 1993 PMID: 8432597 PMCID: PMC302854 DOI: 10.1128/iai.61.3.1149-1151.1993
Source DB: PubMed Journal: Infect Immun ISSN: 0019-9567 Impact factor: 3.441