From: Inferring nonneutral evolution from contrasting patterns of polymorphisms and divergences in different protein coding regions of enterovirus 71 circulating in Taiwan during 1998-2003
EV71-C1
EV71-C2
EV71-C4
EV71-B4
CA16-like
1998
1
104
7
3
1999
4
2000
61
2001
144
2002
65
2003