Table 1. EV71 virus strains used for detecting cross neutralizing antibodies in this study.
| Genotype | Virus name | Year of isolation | country of isolation | Abbreviate | Accession No. |
| A | A-U22521_BrCr | 1970 | USA | A-70 | JN874547 |
| B1 | 242-TW-86 | 1986 | Taiwan | B1-86 | JN874548 |
| B2 | 86-11316 | 1986 | Netherlands | B2-86 | JN874549 |
| B3 | SK-EV006 | 1997 | Malaysian | B3-97 | JN874550 |
| B4 | E59P2-TW-02 | 2002 | Taiwan | B4-02 | JN874551 |
| B5 | NHRI141-TW-08 | 2008 | Taiwan | B5-08 | JN874552 |
| C1 | TW-4215-1998 | 1998 | Taiwan | C1-98 | JN874553 |
| C2 | Tainan/5746/98 | 1998 | Taiwan | C2-98 | JN874554 |
| C3 | 001-KOR-00 | 2000 | Korea | C3-00 | JN874555 |
| C4 | 70516TW-08 | 2008 | Taiwan | C4-08 | JN874556 |
| C4 | N1862TW-05 | 2005 | Taiwan | C4-05 | JN874557 |
| C5 | 1575TW-07 | 2007 | Taiwan | C5-07 | JN874558 |