Effectiveness of Vi capsular polysaccharide typhoid vaccine among children: A cluster randomized trial in Karachi, Pakistan
Mahmood Khan(International Vaccine Institute), Zulfiqar A Bhutta(Aga Khan University), R. Leon Ochiai(International Vaccine Institute), Shah Muhammad Sahito(Aga Khan University), Sajid Soofi(Aga Khan University), Camilo J. Acosta(International Vaccine Institute), Mohammad Atif Habib(Aga Khan University), Shaikh Qamaruddin Nizami(Aga Khan University), John D. Clemens(International Vaccine Institute)
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