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Efficacy trial of Vi polysaccharide vaccine against typhoid fever in south-western China.
OBJECTIVE: To test the efficacy of locally produced Vi vaccine over a time period of longer than one year. METHODS: A double-blinded, randomized field trial was performed in Guangxi Zhuang Autonomous Region in south-western China, using 30 micrograms doses of locally produced Vi. Enrolled subjects w...
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| Autori principali: | , , , , , , , , , , , , , , , , , , , |
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| Natura: | Artigo |
| Lingua: | Inglês |
| Pubblicazione: |
World Health Organization
2001
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| Soggetti: | |
| Accesso online: | https://ncbi.nlm.nih.gov/pmc/articles/PMC2566475/ https://ncbi.nlm.nih.gov/pubmed/11477965 |
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