| rotavirus strains bearing genotype g9 or p[9] recovered from brazilian children with diarrhea from 1997 to 1999. | human rotavirus strains belonging to genotype g9 or p[9] were detected in a collection of stool specimens from children with diarrhea in two cities of the state of rio de janeiro, brazil, between march 1997 and december 1999. g9 strains were first detected in april 1997 and remained prevalent until the end of the study, at a frequency of 15.9% (n = 157). a high percentage of vp7 nucleotide (99.0 to 99.5%) and deduced amino acid identity (98.6 to 99.1%) was found between three randomly selected b ... | 2001 | 11230448 |
| genotypes and molecular epidemiology of human astroviruses in hospitalized children with acute gastroenteritis in rio de janeiro, brazil. | human astrovirus (hastv) is an important pathogen that causes acute gastroenteritis mainly in children up to 5 years old worldwide. a total of 318 fecal samples were collected from january to december of 2004 from children with acute gastroenteritis hospitalized in rio de janeiro (rj), brazil. the samples were obtained from three public hospitals and were previously investigated for the presence of rotavirus (rv) and enteric adenovirus (adv). the aim of this study was to determine the prevalence ... | 2007 | 17516522 |