A confirmation of sapovirus re-infection gastroenteritis cases with different genogroups and genetic shifts in the evolving sapovirus genotypes, 2002-2011

被引：35

作者：

Harada, Seiya ^{[2
]}

Oka, Tomoichiro ^{[1
,3
]}

Tokuoka, Eisuke ^{[2
]}

Kiyota, Naoko ^{[2
]}

Nishimura, Koichi ^{[2
]}

Shimada, Yasushi ^{[4
]}

Ueno, Takehiko ^{[5
]}

Ikezawa, Shigeru ^{[6
]}

Wakita, Takaji ^{[1
]}

Wang, Qiuhong ^{[3
]}

Saif, Linda J. ^{[3
]}

Katayama, Kazuhiko ^{[1
]}

机构：

[1] Natl Inst Infect Dis, Dept Virol 2, Tokyo 2080011, Japan

[2] Kumamoto Prefectural Inst Publ Hlth & Environm Sc, Kumamoto, Japan

[3] Ohio State Univ, Ohio Agr Res & Dev Ctr, Food Anim Hlth Res Program, Dept Vet Prevent Med, Wooster, OH 44691 USA

[4] Shimada Childrens Clin, Kumamoto, Japan

[5] Ueno Pediat Clin, Kumamoto, Japan

[6] Ikezawa Childrens Clin, Kumamoto, Japan

来源：

ARCHIVES OF VIROLOGY | 2012年 / 157卷 / 10期

关键词：

Sapovirus; Gastroenteritis; Genotyping; Re-infection; CAPSID PROTEIN; CHILDREN; EPIDEMIOLOGY; SURVEILLANCE; INFECTIONS; DIVERSITY; OUTBREAK;

D O I：

10.1007/s00705-012-1387-7

中图分类号：

Q93 [微生物学];

学科分类号：

071005 ; 100705 ;

摘要：

Sapovirus (SaV) is an important pathogen that causes acute gastroenteritis in humans. Human SaV is highly diverse genetically and is classified into multiple genogroups and genotypes. At present, there is no clear evidence for gastroenteritis cases caused by re-infection with SaV. We found that two individuals were sequentially infected with SaVs of two different genogroups and had gastroenteritis after each infection, although in one of the subsequent cases, both SaV and norovirus were detected. We also found a genetic shift in SaVs from gastroenteritis outpatients in the same geographical location. Our results suggest that protective immunity may be at least genogroup-specific for SaV.

引用

页码：1999 / 2003

页数：5

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