| revaccination with locally-produced vi typhoid polysaccharide vaccine among chinese school-aged children: safety and immunogenicity findings. | to evaluate the safety and immunogenicity of revaccination with locally-produced vi polysaccharide vaccine 3 years after the first dose in chinese children aged 9 to 14 years. | 2007 | 17984806 |
| [molecular epidemiological characteristics of salmonella typhi strains isolated in china. i. analysis of salmonella typhi strains isolated in china by multilocus enzyme electrophoresis]. | multilocus enzyme analysis by polyacrylamide gel electrophoresis (page) was used to analyse 335 isolates of s. typhi from several provinces where high morbidity of typhoid fever was observed in recent years. we analysed 7 metabolic enzymes encoded by chromosome. the results showed that all the enzyme loci were polymorphic. the average alleles per locus was 7.4 (2-19): the mean genetic diversity per locus was 0.498 (0.198 0.883). there were 147 distinctive electrophoretic types (ets) in 335 isola ... | 1994 | 7834706 |
| [epidemiologic characteristics of typhoid and paratyphoid fever on related drug resistance and molecular types regarding salmonella typhi and s. paratyphi, in jiangsu province]. | to explore the distribution of prevalence rates of typhoid and paratyphoid, with drug resistance and molecular types of salmonella (s.) typhi and s. paratyphi in jiangsu province. | 2012 | 23336199 |