Immunity Against Hemorrhagic Septicemia 37 
Table 48. 
Results of subsequent virus infections in semcm-treated rabbits 
which survived previous virus inoculations. 
Serum 
No. 
1st virus 
injection 
in days 
after 
serum 
2nd virus 
injection 
in days 
after 
first virus 
Results 
Sur- 
viving 
periods 
Remarks 
Dead 
Alive 
i 
' 1 
20 
+ 
— 
24 
1053.. .. 
1 
20 
+ 
— 
24 
4 
17 
+ 
— 
48 
1 
l 4 
17 
+ 
— 
48 
1 
16 
+ 
— 
24 
1 
16 
+ 
— 
24 
1172. . . . 
1 
16 
+ 
— 
24 
1 
16 
+ 
— 
24 
1 1 
16 
+ 
— 
24 
5 
19 
+ 
— 
24 
1433. . . . 
1 8 
16 
+ 
— 
24 
< 
8 
16 
+ 
— 
24 
i 8 
16 
+ 
— 
24 
1945. . . . 
12 
14 
+ 
— 
24 
f 4 
14 
+ 
— 
24 
1946.. .. 
4 
14 
+ 
— 
24 
! 4 
14 
+ 
— 
24 
1 8 
15 
+ 
— 
