Table 1.
List of viral strains based on the VP1 region collected from 1998 to 2003
| EV71-C1 | EV71-C2 | EV71-C4 | EV71-B4 | CA16-like | |
|---|---|---|---|---|---|
| 1998 | 1 | 104 | 7 | 3 | |
| 1999 | 1 | 4 | |||
| 2000 | 61 | ||||
| 2001 | 1 | 144 | 3 | ||
| 2002 | 65 | ||||
| 2003 | 7 |
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