Table 1.
1st injection | 1st booster | 2nd booster | |
---|---|---|---|
control | PBS buffer | PBS buffer | PBS buffer |
group 1 | PLGA vaccine | PLGA vaccine | PLGA vaccine |
group 2 | PLA vaccine | PLA vaccine | PLA vaccine |
group 3 | PLGA vaccine | PLGA vaccine | PLA vaccine |
group 4 | PLA vaccine | PLA vaccine | PLGA vaccine |
group 5 | PLGA vaccine | PLA vaccine | PLA vaccine |
group 6 | PLA vaccine | PLGA vaccine | PLGA vaccine |