Incidence of group A rotavirus in urban and rural areas of the city of Londrina-Brazil, from 1995 to 1997
2001
Ângelo Cesar Meneghetti | Andrea Maria Bolognini | Flávio Lauretti | Rosa Elisa Carvalho Linhares | Norma Santos | Carlos Mitihiko Nozawa
Rotaviruses are common pathogens and the causal agents of acute diarrhea among children and young animals. The involvement of rotavirus in human diarrheal disease among population of urban and rural areas of the city of Londrina, Parana was evaluated. Nine hundred and five fecal specimens from persons with diarrhea were studied, being 686 and 219 from urban and rural areas, respectively. Thirty-eight samples (4,2%) were positive for rotavirus by polyacrylamide gel electrophoresis of viral RNA and latex agglutination test of which 36 were from urban and two from rural areas. Out of the positive specimens, 17 strains were further characterized by RT-PCR typing assay, resulting in 16 strains of G1 genotype while one sample was found to be a mixture of G1 and G3 genotypes.<br>Os rotavírus são patógenos comuns e causam diarréia aguda em crianças e animais jovens. Neste trabalho avaliamos a participação do vírus na diarréia de populações humanas das áreas urbana e rural da cidade de Londrina, Paraná. Foram analisadas 905 amostras fecais de indivíduos com diarréia aguda, sendo 686 e 219 amostras das zonas urbana e rural, respectivamente. Trinta e oito amostras (4,2%) foram consideradas positivas pelas técnicas de eletroforese em gel de poliacrilamida do RNA viral e aglutinação passiva de látex, das quais 36 da área urbana e dois da área rural. Das amostras positivas, 17 foram genotipadas por RT-PCR tendo sido caracterizadas 16 cepas G1 e uma considerada mistura dos genótipos G1 e G3.
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