Seasonal pattern and genotype distribution of norovirus infection in Japan

A total of 6231 fecal specimens collected from infants and children with gastroenteritis in 7 different regions of Japan during 1995 to 2007 were examined for norovirus. Norovirus was detected in 779 patients (12.5%) and norovirus activity peak in the winter season (November to January) during 1995...

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Veröffentlicht in:	The Pediatric infectious disease journal 2010-05, Vol.29 (5), p.e32-e34
Hauptverfasser:	Dey, Shuvra Kanti, Phathammavong, Outavong, Okitsu, Shoko, Mizuguchi, Masashi, Ohta, Yoshimi, Ushijima, Hiroshi
Format:	Artikel
Sprache:	eng
Schlagworte:	Adolescent Caliciviridae Infections - epidemiology Caliciviridae Infections - virology Child Child, Preschool Feces - virology Gastroenteritis - epidemiology Gastroenteritis - virology Genotype Humans Infant Infant, Newborn Japan - epidemiology Molecular Epidemiology Norovirus - classification Norovirus - genetics Norovirus - isolation & purification Polymorphism, Genetic Prevalence Reverse Transcriptase Polymerase Chain Reaction RNA, Viral - genetics Seasons
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Beschreibung
Zusammenfassung:	A total of 6231 fecal specimens collected from infants and children with gastroenteritis in 7 different regions of Japan during 1995 to 2007 were examined for norovirus. Norovirus was detected in 779 patients (12.5%) and norovirus activity peak in the winter season (November to January) during 1995 to 2007. During the last 11 years, NoVGII/4 was the predominant strain in Japan followed by GII/3, GII/6, GII/2, GII/12, and GI.
ISSN:	0891-3668 1532-0987
DOI:	10.1097/inf.0b013e3181d742bf