Group | No. of cercariae | Anti-Sj23HD IgM | Anti-Sj23HD IgG | ||
---|---|---|---|---|---|
 |  | Day 21 (%) | Day 28 (%) | Day 21 (%) | Day 28 (%) |
A | 0 | 0 | 0 | 0 | 0 |
B | 5 | 40 | 60 | 20 | 60 |
C | 10 | 80 | 80 | 60 | 100 |
D | 15 | 80 | 100 | 80 | 100 |
E | 20 | 100 | 100 | 80 | 100 |
F | 25 | 100 | 100 | 100 | 100 |
G | 30 | 100 | 100 | 100 | 100 |
H | 35 | 100 | 100 | 100 | 100 |
I | 40 | 100 | 100 | 100 | 100 |