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- W2133343640 abstract "(See the editorial commentary by Cochi and Linkins, on pages 169–71.) Background. The Global Polio Eradication Initiative aims to eradicate wild poliovirus by the end of 2012. Therefore, more-immunogenic polio vaccines, including monovalent oral poliovirus vaccines (mOPVs), are needed for supplemental immunization activities. This trial assessed the immunogenicity of monovalent types 1 and 3, compared with that of trivalent oral poliovirus vaccine (tOPV), in South Africa. Methods. We conducted a blinded, randomized, 4-arm controlled trial comparing the immunogenicity of a single dose of mOPV1 (from 2 manufacturers) and mOPV3 (from 1 manufacturer), given at birth, with the immunogenicity of tOPV. Results. Eight hundred newborns were enrolled; 762 (95%) were included in the analysis. At 30 days after vaccine administration, seroconversion to poliovirus type 1 was 73.4% and 76.4% in the 2 mOPV1 arms, compared with 39.1% in the tOPV arm (P < .0000001), and seroconversion to poliovirus type 3 was 58.0% in the mOPV3 arm, compared with 21.2% in the tOPV arm (P < .0000001). The vaccines were well tolerated, and no adverse events were attributed to trial interventions. Conclusion. A dose of mOPV1 or mOPV3 at birth was superior to that of tOPV in inducing type-specific seroconversion in this sub-Saharan African population. Our results support continued use of mOPVs in supplemental immunization activities in countries where poliovirus types 1 or 3 circulate. Clinical Trials Registration. ISRCTN18107202." @default.
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- W2133343640 date "2011-12-08" @default.
- W2133343640 modified "2023-10-18" @default.
- W2133343640 title "Randomized Trial of Type 1 and Type 3 Oral Monovalent Poliovirus Vaccines in Newborns in Africa" @default.
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- W2133343640 doi "https://doi.org/10.1093/infdis/jir721" @default.
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