| Results | Treatment | |||
| PBS | Vaccine | Indomethacin | Vaccine + Indomethacin | |
| Above 0.64 g (vaccine group media) | 100%a (16) | 53%b (10) | 38%b (8) | 13%c (2) |
| Below 0.64 g (vaccine group media) | 0 | 47%b (9) | 62%b (13) | 87%c (20) |
| Total of mice per group | 16 | 19 | 21 | 22 |