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Typhoid vaccine effectiveness in India

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It is estimated that typhoid fever causes between 216 000 and 600 000 deaths each year, almost all in developing countries. The injectable Vi polysaccharide typhoid vaccine is cheap (50 US cents per dose) and potentially useful in developing countries. There have been questions, however, about programme feasibility, whether it is protective in young children (aged 2–5 years), and whether it is able …

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  • Provenance and peer review Commissioned; not externally peer reviewed.