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- Title
Hepatitis C Virus Subtypes Novel 6g-Related Subtype and 6w Could Be Indigenous in Southern Taiwan with Characteristic Geographic Distribution.
- Authors
Tung, Hung-Da; Lee, Pei-Lun; Chen, Jyh-Jou; Kuo, Hsing-Tao; Sheu, Ming-Jen; Cheng, Chun-Ta; Chuang, Tang-Wei; Kao, Hsu-Ju; Wu, Yu-Hsun; Pang, Mai-Gio; Lin, Cheng-Heng; Hou, Chia-Yi; Tsai, Hsin-Hua; Wu, Li-Ching; Lee, Chuan
- Abstract
Hepatitis C virus (HCV) genotype (GT) 6 is the most genetically diverse GT and mainly distributed in Southeast Asia and south China but not Taiwan. Earlier studies showed the major HCV GTs in Taiwan were GT 1b and 2 with very rare GT 6 except in injection drug users (IDUs), and subtype 6a is the main GT 6 subtype among IDUs. Recently, we reported a much higher prevalence (18.3%) of GT 6 in Tainan City, southern Taiwan. This study was designed to clarify the subtypes of GT 6 in this endemic area. A total of 3022 (1343 men and 1679 women) HCV viremic patients were enrolled. Subtypes of GT 6 were determined by sequencing of core/E1 and nonstructural protein 5B in 322 of 518 GT 6 patients. The overall GT 6 prevalence rate was 17.1% (518/3022), with higher prevalence districts (>25%) located in northern Tainan. A novel 6g-related subtype is the most prevalent subtype (81.0%), followed by 6w (10.8%), 6a (7.5%), and 6n (0.7%). The high GT 6 prevalence in Tainan was mainly due to a novel 6g-related subtype and 6w. These two subtypes could be indigenous in Tainan with characteristic geographic distribution.
- Subjects
TAI-nan shih (Taiwan); TAIWAN; HEPATITIS C virus
- Publication
Viruses (1999-4915), 2021, Vol 13, Issue 7, p1316
- ISSN
1999-4915
- Publication type
Article
- DOI
10.3390/v13071316