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Clinical and genetic characterization of severe influenza B-associated diseases during an outbreak in Taiwan
被引:42
作者:
Li, Wen-Chen
[1
,2
,8
]
Shih, Shin-Ru
[5
,6
,8
]
Huang, Yhu-Chering
[1
,3
,8
]
Chen, Guang-Wu
[7
,8
]
Chang, Shih-Cheng
[5
,6
,8
]
Hsiao, Mei-Jen
[4
]
Tsao, Kuo-Chien
[4
,5
,6
,8
]
Lin, Tzou-Yien
[1
,3
,8
]
机构:
[1] Chang Gung Childrens Hosp, Div Pediat Infect Dis, Tao Yuan, Taiwan
[2] Chang Gung Univ, Grad Inst Clin Med Sci, Tao Yuan, Taiwan
[3] Chang Gung Univ, Coll Med, Sch Med, Tao Yuan, Taiwan
[4] Chang Gung Mem Hosp, Dept Clin Pathol, Clin Virol Lab, Tao Yuan, Taiwan
[5] Chang Gung Univ, Dept Med Biotechnol, Tao Yuan, Taiwan
[6] Chang Gung Univ, Lab Serv, Tao Yuan, Taiwan
[7] Chang Gung Univ, Dept Comp Sci & Informat Engn, Tao Yuan, Taiwan
[8] Chang Gung Univ, Res Ctr Emerging Viral Infect, Tao Yuan, Taiwan
关键词:
influenza B virus;
encephalitis/encephalopathy;
influenza-associated myositis;
acute respiratory distress syndrome;
genetic evolution;
D O I:
10.1016/j.jcv.2007.11.026
中图分类号:
Q93 [微生物学];
学科分类号:
071005 ;
100705 ;
摘要:
Background Mismatches between circulating and vaccine strains of influenza virus had been observed in Taiwan. A comprehensive clinical and genetic analysis of influenza B viruses-associated important diseases was lacking. Objectives: Clinical and phylogenetic analysis of influenza B viruses during an outbreak in Taiwan. Study designs: Clinical manifestations of hospitalized, culture-confirmed patients were analyzed from July 2004 to June 2005. Partial genome sequence analysis of hemagglutinin (HA), neuraminidase (NA), and nonstructural (NS) genes were performed in 54 influenza B isolates during the study period, and nine srandomly chosen isolates during 2000 and 2003. Results: Three specific diseases were found in these patients, including 13 of encephalitis/encephalopathy, 28 of influenza-associated myositis (IAM), and one of acute respiratory distress syndrome (ARDS). Three phylogenetic groups were identified, including reassortant strains-group 1 (Victoria lineage of HA, Yamagata lineage of NA, clade A of NS), group 2 (Yamagata lineage of HA, Yamagata lineage of NA, clade A of NS), and group 3 (Yamagata lineage of HA, Yamagata lineage of NA, clade B of NS). Conclusions: Severe influenza B-associated disease in children was not rare and might be fatal. We offered the evidence of co-circulation of the two HA lineages in the same outbreak. (c) 2008 Elsevier B.V. All rights reserved.
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页码:45 / 51
页数:7
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