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Rotavirus diarrhea is a potentially life-threatening disease that affects millions of children annually around the world. Because protection against rotavirus disease is thought to be type specific, continuous rotavirus surveillance before and after implementation of a vaccine is still of essential importance. Rotavirus surveillance has been conducted in… (More)
During 1998-2005, we analyzed stool samples from 289 children in Rio de Janeiro to detect and genotype no-rovirus strains. Previous tests showed all samples to be negative for rotavirus and adenovirus. Of 42 (14.5%) no-rovirus-positive specimens, 20 (47.6%) were identified as genogroup GI and 22 (52.3%) as GII.
Human bocavirus (HBoV) was detected in 14 (2%) of 705 fecal specimens from Brazilian children with gastroenteritis. Coinfection with rotavirus, adenovirus, or norovirus was found in 3 (21.4%) HBoV-positive specimens. None of the HBoV-positive patients had respiratory symptoms.
We analyzed 379 stool samples collected from January 1998 through December 2004, from hospitalized and non-hospitalized children with diarrhea in Rio de Janeiro, Brazil. These samples had prior negative results for other enteric viruses and bacterial pathogens. The specimens were analyzed for HAstV detection by RT-PCR. HAstV genotypes were determined by… (More)
The polymorphism of species A rotavirus genotype G1 strains (RVA-G1) circulating in Rio de Janeiro between 1996 and 2004 was evaluated. The VP7 encoding gene of 36 G1 isolates was sequenced and compared to references strains. The deduced amino acid sequences were used as basis for in silico analysis of the VP7 protein. We observed the circulation of two… (More)
The management of childhood diarrhoea at the household level was studied in a population-based survey in four states in north-east Brazil. Of a representative sample of 6524 children under 5 years of age, 982 (15.1%) had diarrhoea on the day of the interview or had had diarrhoea at some time during the previous 15 days. A total of 66% of the children were… (More)
Viral conjunctivitis is a common, highly contagious disease often caused by adenovirus. We investigate the frequency of adenoviral conjunctivitis in the population of Rio de Janeiro, Brazil, between March 2004 and May 2007 and identified the predominant serotype circulating among this population. Seventy-five ocular swabs were collected from 66 patients… (More)
In this study quality assurance methods were used in an evaluation of a programme for Control of Diarrhoeal Diseases (CDD) in northeastern Brazil. Seventy-eight randomly selected public primary care facilities in four states were assessed by trained surveyors. Problems observed in the facilities were lack of information on target population and coverage,… (More)
A total of 162 rotavirus strains detected between 1996 and 2006 among individuals with diarrhea in Rio de Janeiro, Brazil, were analyzed by multiple-gene genotyping. Characterization of strains was done by RT-PCR assay for amplification and typing of the VP7-, VP4-, VP6-, and NSP4-encoding genes. Overall, 139 (85.8%) strains belonged to the common group A… (More)