From: Molecular characteristics of the VP1 region of enterovirus 71 strains in China
Year | Genotypes of EV71 | Number | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
C4a | C4b | C1 | C2 | C3 | C5 | A | B1 | B2 | B3 | B4 | B5 | ||
1986 | Â | Â | Â | Â | Â | Â | Â | Â | Â | 6 | Â | Â | 6 |
1996 | Â | Â | Â | 1 | Â | Â | Â | Â | Â | Â | Â | Â | 1 |
1997 | Â | Â | Â | Â | 1 | Â | Â | Â | Â | Â | 1 | Â | 2 |
1998 | Â | 3 | Â | 119 | Â | 2 | Â | Â | 1 | 1 | 9 | Â | 135 |
1999 | Â | Â | Â | 1 | Â | Â | Â | Â | 2 | 6 | 8 | Â | 17 |
2000 | Â | 3 | Â | Â | Â | Â | Â | Â | 2 | 4 | 35 | Â | 44 |
2001 | Â | 5 | Â | Â | Â | Â | Â | Â | 1 | Â | 84 | Â | 90 |
2002 | Â | 4 | Â | Â | Â | Â | Â | Â | Â | Â | 49 | 1 | 54 |
2003 | 7 | 7 | Â | Â | Â | Â | Â | Â | 1 | Â | 9 | Â | 24 |
2004 | 1 | 14 | Â | 1 | 11 | Â | Â | Â | Â | Â | Â | Â | 27 |
2005 | 3 | Â | 1 | 1 | 18 | Â | Â | Â | Â | Â | Â | Â | 23 |
2006 | 6 | 1 | 2 | Â | 1 | Â | Â | Â | Â | Â | Â | Â | 10 |
2007 | 56 | 2 | 3 | Â | Â | Â | Â | Â | Â | Â | 2 | Â | 63 |
2008 | 281 | 8 | Â | 2 | 6 | Â | 4 | Â | Â | Â | 45 | Â | 346 |
2009 | 341 | 16 | Â | Â | Â | Â | 2 | Â | Â | Â | 6 | Â | 365 |
2010 | 565 | 15 | Â | Â | Â | Â | Â | Â | Â | Â | 6 | Â | 586 |
2011 | 313 | 6 | 1 | 4 | 1 | Â | 1 | 2 | 2 | 3 | 14 | 2 | 349 |
2012 | 276 | 27 | Â | 1 | Â | Â | 1 | Â | Â | Â | 77 | Â | 382 |
2013 | 231 | 1 | Â | 1 | 6 | Â | Â | Â | Â | Â | 2 | Â | 241 |
2014 | 415 | 22 | Â | 4 | Â | Â | Â | Â | Â | Â | 1 | Â | 442 |
2015 | 162 | 12 | Â | 1 | Â | Â | Â | Â | Â | Â | 2 | Â | 177 |
2016 | 153 | 15 | Â | Â | Â | Â | Â | Â | Â | Â | Â | 1 | 169 |
2017 | 148 | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | 148 |
2018 | 11 | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | 11 |