Research on rotavirus published by C.I. Macedo et al
2007 NOV 20 -- According to recent research published in the journal Revista da Sociedade Brasileira de Medicina Tropical, "A total of 123 stool specimens collected in Teresina, Piaui between 1994 and 1996, from 0 to 2-year-old children with diarrhea, were used,for this study, Molecular characterization of the G and P rotavirus genotypes was perforined using the reverse transcriptase polymerase chain reaction. The following results were obtained for the P genotypes: P[8] (17 1 Wo), P[1] (4.9%), P[4] (3-3%), P[6, M37] (2.4%) and mixtures (276%)." "The P[1]+P[8]mixture was found in 9.5%of the samples. For the G genotypes, the resultsivere:G1 (25.2%), G5 (13.8%), G2 (2.5T-), G4 (2.5T-), G9 (0.8%) and mixtures (415%). GI+G5iva tl)ei?zixtitreiiiostfreqiieiitlyfou)id(12.IT). Our results sholvedunusual coiiibiiiatioiissiicbasP[IJG5aizdP[I]+P[8lG5," wrote C.I. Macedo and colleagues. The researchers concluded: "The high percentage ofin ixtures and unusual coin binations contain ing in ixtures oftinnan and animal rotavirusgenot)pes strongl), sugests thepossibilitj, ofgene reassortinent and interspecies transmission." Macedo and colleagues published their study in Revista da Sociedade Brasileira de Medicina Tropical (G and P rotavirus genotypes in stool samples from children in Teresina, State of Piaui. Revista da Sociedade Brasileira de Medicina Tropical, 2007;40(4):381-384). For additional information, contact C.I. Macedo, Institute Pasteur Sao Paulo, Paulista 393, BR-01311000 Sao Paulo, Brazil. The publisher's contact information for the journal Revista da Sociedade Brasileira de Medicina Tropical is: Society Brasileira Medicina Tropical, University Brasilia, Nucleo Medicina Tropical E Nutricao, Caixa Postal 4356, Brasilia, DF 70919-970, Brazil. Keywords: Brazil, Sao Paulo, Immunization, Rotavirus Vaccine, Vaccination. This article was prepared by Virus Weekly editors from staff and other reports. Copyright 2007, Virus Weekly via NewsRx.com.
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