From: The effect of age on the response to the pneumococcal polysaccharide vaccine
Serotype | Pre-vaccination Opsonic titer<8 | Post-vaccination Opsonic titer<8 | ||
---|---|---|---|---|
 | Adult (N = 24) n/(%) | Elderly (N = 33) n/(%) | Adult (N = 24) n/(%) | Elderly (N = 33) n/(%) |
4 | 17 (70.8%) | 27 (81.8%) | 1 (4.2%) | 10 (30.3%) |
6B | 7 (29.2%) | 11 (33.3%) | 0 (0.0%) | 0 (0.0%) |
9V | 7 (29.2%) | 11 (33.3%) | 1 (4.2%) | 1 (3.0%) |
14a | 7 (29.2%) | 7 (21.2%) | 0 (0.0%) | 2 (6.1%) |
18C | 4 (16.7%) | 8 (24.2%) | 0 (0.0%) | 0 (0.0%) |
19A | 11 (45.8%) | 17 (51.5%) | 0 (0.0%) | 4 (12.1%) |
19F | 12 (50.0%) | 14 (42.4%) | 0 (0.0%) | 0 (0.0%) |
23F | 3 (12.5%) | 7 (21.2%) | 0 (0.0%) | 0 (0.0%) |
6A | 12 (50.0%) | 21 (63.6%) | 1 (4.2%) | 7 (21.2%) |