Table 2 Vaccination of soldiers at a US army technical school, 1942–4
From: The remarkable history of pneumococcal vaccination: an ongoing challenge
| Â | Number of pneumonia cases | ||
|---|---|---|---|
Serotypes included in the vaccine | Controls (n = 8449) | Vaccine recipients (n = 8586) | |
1 | yes | 2 | 2 |
2 | yes | 14 | 1* |
4 | no | 6 | 8 |
5 | yes | 4 | 1 |
7 | yes | 6 | 0* |
12 | no | 25 | 21 |
other | no | 28 | 27 |