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[epidemiology of rotavirus infections in the federal district, brazil].rotavirus testing was performed on fecal samples of 607 infants and young children aging from 0 to 6 years with acute diarrhoea between may 1986 and april 1990. samples were analyzed by polyacrylamide gel electrophoresis (page). rotaviruses were detected in 123 samples (20.27%); from those, 107 (87.00%) were classified as subgroup ii (long profile). rotaviruses were not detected in the control group of healthy children, but it were present in 7.80% of the children hospitalized for other causes b ...19911668975
rotavirus g and p types circulating in brazil: characterization by rt-pcr, probe hybridization, and sequence analysis.we used reverse transcription-polymerase chain reaction (rt-pcr) to determine the p and g genotypes of 130 culture-adapted rotavirus strains isolated from 181 fecal specimens of children under 5 years of age from 9 states and the federal district of brazil. the 4 genotypes found most commonly worldwide were also common in brazil and p[8]g1 was the most prevalent (43%), followed by p[4]g2 (12%), p[8]g3 (6%), and p[8]g4 (6%). however, unusual types p[8]g5, p[6]g2, p[9]g1, p[9]g3, and mixed infecti ...19969526543
human group c rotavirus in children with diarrhea in the federal district, brazil.group c rotaviruses are fastidious in their in vitro cell culture requirements. recent serosurveys indicate that antibody to group c rotavirus is present in 3-45% of the human population in certain geographic locations, suggesting that rotavirus group c infection is more prevalent than previously believed and that the low rate of detection of these agents is probably due to the lack of sensitive diagnostic assays. from march to december 1994, 406 fecal specimens were collected from children unde ...19989921274
the epidemiological and clinical characteristics and nutritional development of infants with acute diarrhoea, in north-eastern brazil.in order to assess the epidemiological and clinical characteristics and changing nutritional status of infants suffering from acute diarrhoea, 103 infants with such diarrhoea and the same number of age-matched controls were investigated at the universidade federal do rio grande do norte's paediatric hospital, in north-eastern brazil. each child with diarrhoea was given oral rehydration or, in the severe cases, intravenous rehydration. each subject was checked for enteropathogens and his or her w ...200818510816
gastroenteric virus detection in fecal samples from women in goiânia, state of goiás, brazil.this was a prospective study that included women seen in the obstetrics and gynecology sector of hospital das clínicas, federal university of goiás, in goiânia, state of goiás, with the aim of detecting rotaviruses, adenoviruses, caliciviruses and astroviruses. eighty-four women participated in the study and from these, 314 fecal samples were collected. out of all of the women, 29 were seropositive for hiv and 55 were seronegative, and 45 and 39 were pregnant and non-pregnant, respectively.201020563488
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