Table 1.
Virusb,c | Seraa | ||||
---|---|---|---|---|---|
rWT | 144 | 144-172 | 71-142-177 | 71-142-172-177 | |
rWT | 320 | 320 | 160 | 40 | 20 |
144 | 10 | 160 | 80 | <10 | <10 |
144-172 | 20 | 80 | 160 | <10 | 40 |
71-142-177 | 80 | 160 | 160 | 160 | 160 |
71-142-172-177 | 160 | 160 | 320 | 160 | 160 |
Mice were infected with the recombinant Neth/09 virus containing HA glycosylations at the indicated residues.
HI titers represent the reciprocal of the highest dilution that displayed hemagglutination inhibitory activity.
Homologous titers are in bold.