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

*P < 0.001 versus the Subunit group

Sub/MF59™, MF59™-adjuvanted subunit influenza vaccine; Subunit, non-adjuvanted subunit influenza vaccine

Li et al. Immunity & Ageing 2008 5:2   doi:10.1186/1742-4933-5-2