|  | Mice | Parasitaemia | |||
---|---|---|---|---|---|---|
 |  |  | Patency (day) | Peak (day) | Peak (%) | Duration (days) |
Numbers of sporozoites injected (i.v.) | 100 | 1 | 5 | 13 | 3.86 | 15 |
 |  | 2 | 6 | 6 | 0.0114 | 1 |
 |  | n ± SEM | 5.5 ± 0.1 | 9.5 ± 3.5 | 1.9 ± 1.9 | 8 ± 7.0 |
 | 500 | 1 | 5 | 11 | 3.35 | 9 |
 |  | 2 | 5 | 11 | 1.4 | 11 |
 |  | 3 | 5 | 11 | 4.96 | 15 |
 |  | n ± SEM | 5.0 ± 0.0 | 11.0 ± 0.3 | 3.2 ± 1 | 11.7 ± 1.8 |
 | 1000 | 1 | 5 | 11 | 5.41 | 15 |
 |  | 2 | 5 | 11 | 3.9 | 11 |
 |  | 3 | 5 | 10 | 3.9 | 13 |
 |  | n ± SEM | 5.0 ± 0.0 | 10.7 ± 0.3 | 4.4 ± 0.5 | 13.0 ± 1.2 |
 | 16000 | 1 | 5 | 8 | 7.4 | 13 |
Mosquito bite | n ± SEM | 6.8 ± 0.6 | 11.5 ± 1.6 | 5.5 ± 2.5 | 9.8 ± 2.0 |