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An outbreak of Mayaro virus disease in Belterra, Brazil. I. Clinical and virological findings.
An outbreak of human illness caused by Mayaro (MAY) virus occurred in Belterra, Pará, Brazil in the first half of 1978. A total of 55 cases were confirmed, 43 by virus isolation and serology, and 12Expand
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Molecular epidemiology of astrovirus type 1 in Belém, Brazil, as an agent of infantile gastroenteritis, over a period of 18 years (1982-2000): identification of two possible new lineages.
Human astroviruses (HAstV) are worldwide recognized as important viral enteropathogens during childhood. This study aims to determine the incidence, genetic diversity and intertype variability ofExpand
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Evidence for zoonotic transmission of group C rotaviruses among children in Belém, Brazil
The prevalence and potential zoonotic transmission of group C rotavirus (RVC) were examined by testing fecal samples collected from children during a longitudinal study that was carried out in theExpand
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Introduction: The objective of this study was to determine the prevalence and etiological profile of enteropathogens in children from a daycare center. Methods: From October 2010 to February 2011Expand
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Electrophoretic study of the genome of human rotaviruses from Rio de Janeiro, São Paulo and Pará, Brazil.
Human rotaviruses from the states of Rio de Janeiro, São Paulo and Pará of Brazil were analysed by RNA electrophoresis. At least some bands characteristic of rotavirus double-stranded RNA wereExpand
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Prevalence of human astrovirus genotypes associated with acute gastroenteritis among children in Belém, Brazil
Worldwide human astroviruses (HAstV) have increasingly been recognized as causative agents of viral gastroenteritis, mainly in infants and young children. The aim of this study was to assess theExpand
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Divergence of VP7 genes of G1 rotaviruses isolated from infants vaccinated with reassortant rhesus rotaviruses
SummaryA large placebo-controlled efficacy trial of the rhesus tetravalent (RRV-TV) and serotype G1 monovalent (RRV-S1) rotavirus vaccines was conducted in 1991–1992 at 24 sites across the UnitedExpand
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Molecular characterization of VP4 and NSP4 genes from rotavirus strains infecting neonates and young children in Belém, Brazil.
Several reports have identified P[6] specificities in humans and in animals in different countries of the world, but few sequence data are available in public databases. In this work we haveExpand
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Bacterial, yeast, parasitic, and viral enteropathogens in HIV-infected children from São Paulo State, Southeastern Brazil.
We present here the frequency of enteropathogens in an HIV-infected children group and investigate their correlation with clinical and sociodemographic characteristics by collecting 100 stool samplesExpand
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Norovirus Diversity in Diarrheic Children from an African-Descendant Settlement in Belém, Northern Brazil
Norovirus (NoV), sapovirus (SaV) and human astrovirus (HAstV) are viral pathogens that are associated with outbreaks and sporadic cases of gastroenteritis. However, little is known about theExpand
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