Table 3 Pre- and post-vaccination seroprotection rate (percentage of subjects with haemagglutination inhibition titre ≥ 1:40)
Viral strain | Vaccination status | Sub/MF59™, % (n = 367) | Subunit, % (n = 187) |
|---|---|---|---|
A/H1N1 | Pre-vaccination | 98.4 | 97.3 |
Post-vaccination | 99.7 | 99.5 | |
A/H3N2 | Pre-vaccination | 21.5 | 18.7 |
Post-vaccination | 88.0* | 72.2 | |
B | Pre-vaccination | 2.2 | 2.1 |
Post-vaccination | 35.7 | 28.3 |