Table 3 Hemagglutination inhibition and neutralization reactivity by the H3N2 strains isolated during the 2010–11 and 2011–12 seasons
Antibody titer in guinea pig serum | ||||||
|---|---|---|---|---|---|---|
Oka/2 144K | Sk/23 144N | Sk/26 45N/144N | ||||
Antigens | HI | Neutralization | HI | Neutralization | HI | Neutralization |
A/Okayama/2/11 (Oka/2 144K) | 160 | 270 | 320 | 270 | 320 | 405 |
A/Shizuoka/23/12 (Sk/23 144N) | 40 | 90 | 160 | 90 | 320 | 270 |
A/Shizuoka/26/12 (Sk/26 45N/144N) | 80 | 90 | 320 | 90 | 640 | 270 |