Table 2. NFLG sequences of the CRFs_BC and URFs_BC from China and Myanmar used in the study.
| Strain | N | Country of origin | Year of sample collection | Study site (Province/Region) and sampling number |
|---|---|---|---|---|
| CRF07_BC | 34 (11) | China | 1997–2013 | Beijing 1, Guangdong 1, Guangxi 2, Guizhou1, Hebei 2, Jiangsu 1, Liaoning 3, Ningxia 1, Sichuan 6, Taiwan 2, Xinjiang 10, Yunnan 4 |
| CRF08_BC | 33 (5) | China | 1997–2007 | Guangdong 2, Guangxi 6, Ningxia 1, Yunnan 22 |
| CRF57_BC | 5 | China | 2007–2010 | Yunnan 5 |
| CRF61_BC | 4 | China | 2007–2010 | Fujian 2, Jilin 2 |
| CRF62_BC | 3 | China | 2010 | Yunnan 3 |
| CRF64_BC | 5 | China | 2009–2010 | Yunnan 5 |
| URFs_BC | 54 (7) | China | 1996–2010 | Guangdong 1, Guangxi 1, Jiangxi 1, Jilin 1,Yunnan 50 |
| 2 | Myanmar | 1999 | Mandalay (Central Myanmar) 2 | |
| Total | 140 (23) | 1997–2013 |
The numbers of NFLGs newly obtained from this study are shown in the parenthesis.