Table 2 HI titres of porcine and ferret post infection sera used in Western blotting and indirect ELISA (homologous serum-antigen pairs depicted in bold)

H1N1av

Swine (OM8)

4*

1

2

1

1

H1N1av

Ferret (EL1)

6

1

6

2

2

H1N2

Swine (OM1)

1

5

1

1

1

H1N1pdm

Swine (OM46)^f

4

1

6

5

1

H1pdmN2

Swine (OM15/4)

1

3

5

6

1

H3N2

Swine (R4)

1

1

1

1

6

H3N2

Ferret (EL1)

1

1

2

2

9

Pan

swine

6

6

5

5

6

None

swine

1

1

1

1

1