Vaccine reactions
| After first shot | After second shot | |||
| Av.Obs. | Av.Obs | |||
| Arthralgia, n (%) | 40 | 2 (5) | 40 | 9* (22.5) |
| 24 hours fever, n (%) | 40 | 7 (17.5) | 40 | 7† (17.5) |
| Lymphadenopathy, n (%) | 40 | 2 (5) | 40 | 0‡ (0) |
*McNemar’s test, p=0.007.
†χ2 test, p=1.
‡χ2 test, p=0.151.
Av.Obs., available observations.