Table 2 Immunization and challenge strategy
Group | N | Immunization | Subgroups | Animal No. | Challenge strain | |
|---|---|---|---|---|---|---|
Primary | Booster | |||||
A | 25 | PBS | PBS | AI | 6 | JOL1557 |
AII | 6 | JOL1815 | ||||
AIII | 6 | JOL1816 | ||||
AIV | 6 | JOL1817 | ||||
B | 25 | JOL1587 | PBS | BI | 6 | JOL1557 |
BII | 6 | JOL1815 | ||||
BIII | 6 | JOL1816 | ||||
BIV | 6 | JOL1817 | ||||
C | 25 | JOL1587 | JOL1585 | CI | 6 | JOL1557 |
CII | 6 | JOL1815 | ||||
CIII | 6 | JOL1816 | ||||
CIV | 6 | JOL1817 | ||||