Table 1 HA-specific antibody titers measured by ELISA (Total IgG) or HAI in pooled sera and BAL of immunized mice

ELISA (Total IgG)

Serum

0

<25

<25

<25

7

<25

<25

<25

28

400

800

100

7 days post-boost

800

1600

400

28 days post-boost

800

1600

800

BAL

0

<2

<2

<2

7

<2

<2

<2

28

16

64

32

7 days post-boost

32

64

64

28 days post-boost

16

64

64

HAI

Serum

0

<4

<4

<4

7

16

16

<4

28

64

256

256

7 days post-boost

128

256

128

28 days post-boost

128

512

128