组别groups

攻毒蛙数

Number of frog challenged

存活蛙数

Number of frog survival

存活率/% Survival/%

免疫保护率/% relative percentage of survival/%

注射组injection

8

8

100

100

浸泡组soak

8

7

87.5

87.5

喷雾组spray

8

6

75

75

对照组control

8

0

0

-