Incidence of group a rotavirus in urban and rural areas of the city of Londrina-Brazil, from 1995 to 1997

摘要

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 at,drive fecal specimens from persons with diarrhea were studied, being 686 and 219 from urban and rural areas, respectively. Thirty-eight samples (4,2 percent) were positive for rotavirus by polyacrylamide gel electrophoresis of viral RNAand 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.