2008
DOI: 10.1590/s1517-83822008000400004
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Abstract: Norovirus (NoV), previously called Norwalk-like virus, represents an important group of human pathogens associated with outbreaks of nonbacterial gastroenteritis. Epidemiological surveys of outbreaks have shown that the most important routes of transmission are person-to-person contacts and contaminated food and water, with the virus affecting adults and children. NoV is classified into genogroups, being genogroups GI, GII and GIV found in humans. In view of the high genetic diversity of NoV and the lack of in… Show more

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Cited by 15 publications
(30 citation statements)
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References 28 publications
(30 reference statements)
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“…In England, distinct prevalence rates have been reported for NoV infection among elderly inpatients, ranging from 0.3% [28] to 14.9% [23]. Previous studies conducted in different Brazilian states showed that the prevalence of NoV among hospitalized children ranges from 9% to 36% [29,30].…”
Section: Discussionmentioning
confidence: 99%
“…In England, distinct prevalence rates have been reported for NoV infection among elderly inpatients, ranging from 0.3% [28] to 14.9% [23]. Previous studies conducted in different Brazilian states showed that the prevalence of NoV among hospitalized children ranges from 9% to 36% [29,30].…”
Section: Discussionmentioning
confidence: 99%
“…Este estudo revelou uma preponderância do GII, confirmando que esse genogrupo específico é o mais frequentemente associado a doenças causadas por NoV em todo o mundo, em comparação com o GI 12,14 . As consequências epidemiológicas desse achado ainda não estão claras; estudos sobre as possíveis diferenças nas propriedades biológicas, tais como virulência, vias de transmissão, estabilidade do vírus no ambiente devem fornecer explicações sobre o tema 14 .…”
Section: Discussionunclassified
“…Embora o NoV tenha sido o primeiro vírus claramente associado à gastroenterite aguda, a impossibilidade de cultivá-lo subestimou a importância da infecção por NoV em gastroenterite aguda, e dificultou a realização de estudos epidemiológicos. Dessa forma, a importância do NoV como agente etiológico da gastroenterite aguda tanto em casos esporádicos como em surtos só pôde ser estabelecida após o desenvolvimento de métodos moleculares para a sua detecção 12,13 .…”
Section: Introductionunclassified
“…According to Jurzik et al (2010) norovirus infected 344 and 1,699 people, respectively, in southern Italy and in Podgorica (Montenegro) due to contaminated water, and, additionally, 460 people were infected with enterovirus (EV) during an outbreak in the Republic of Belarus. In Brazil, Morillo et al (2008) also showed the importance of norovirus in waterborne infection.…”
Section: Waterborne Viral Pathogensmentioning
confidence: 99%