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  • Title: Sequence analysis of the first C2 subgenogroup strain of enterovirus 71 isolated in Korea.
    Author: Lee JA, Yoon YS, Hyeon JY, Yoo JS, Lee SW, Lee JW, Lee SW.
    Journal: J Clin Virol; 2016 Dec; 85():13-16. PubMed ID: 27816018.
    Abstract:
    BACKGROUND: Enterovirus 71 (EV71) is an important causative agent of hand-foot-and-mouth disease with severe neurological complications, which may lead to death in children. Large outbreaks caused by EV71 have frequently occurred in Asia-Pacific region. OBJECTIVES: In Korea, the outbreaks have been caused by EV71 subgenogroups C3, and C4. Only genogroup C, especially subgenogroup C1, C3, C4, and C5, has been detected by the national enterovirus surveillance system in Korea. This study reports the first isolation of EV71 A1451 strain, which belongs to subgenogroup C2. STUDY DESIGN: EV71 was isolated from a Korean patient with meningoencephalitis. Complete genome analysis and phylogenetic analysis was performed to identify the characteristics of the strain. RESULTS: Comparative genome analysis of the A1451 strain indicated that this novel C2 strain is associated with the Taiwan strains, which are recombinant virus combined with subgenogroup C2 and B3. CONCLUSIONS: Because the subgenogroup B3 was not previously detected in Korea, the A1451 strain is regarded as an imported recombinant virus. Periodic surveillance of EV71 is required to control the spread of this disease and its introduction from overseas.
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