Table 3 Virus detection via RRT-PCR and the hemagglutinin type obtained directly from nasal swabs and bronchoalveolar lavage fluid (BALF) from pigs after contact with infected seeders and at necropsy by treatment group.

COM/COM

1/10

43.54 (4.61)^{c A}

0/10

0/10

2/10

41.95 (6.67)^A

0/10

1/10

5/10

39.06 (7.41)^A

0/10

1/10

3/10

40.26 (8.50)^A

0/10

1/10

6/10

32.90 (11.70)^BC

1/10

4/10

AUT/AUT

1/10

43.66 (2.85)^A

0/10

0/10

5/10

39.84 (5.67)^A

1/10

0/10

5/10

38.90 (7.21)^A

1/10

0/10

1/10

43.05 (6.16)^A

1/10

0/10

3/10

40.74 (6.38)^A

1/10

1/10

AUT/COM

0/10

44.39 (1.84)^A

0/10

0/10

7/10

38.12 (5.02)^AB

0/10

0/10

5/10

40.01 (5.41)^A

0/10

1/10

0/10

44.35 (2.06)^A

0/10

0/10

1/10

43.93 (3.38)^A

0/10

0/10

COM/AUT

1/10

43.95 (3.33)^A

0/10

0/10

5/10

39.67 (5.74)^A

0/10

0/10

5/10

39.71 (5.76)^A

0/10

1/10

2/10

42.18 (6.31)^A

0/10

1/10

4/10

39.89 (6.76)^AB

0/10

2/10

NO VAC/CHA

5/10

37.83 (8.02)^B

1/10

3/10

6/10

33.05 (9.71)^B

3/10

4/10

7/10

30.43 (12.09)^B

3/10

4/10

6/10

30.72 (10.89)^B

1/10

4/10

8/10

26.75 (10.75)^C

7/10

4/10

NO VAC/NO CHA

0/3

45 (0)

0/3

0/3

0/3

45 (0)

0/3

0/3

0/3

45 (0)

0/3

0/3

0/3

45 (0)

0/3

0/3

0/3

45 (0)

0/3

0/3

LAIV/COM

0/10

44.25 (1.83)^A

0/10

0/10

5/10

39.33 (6.51)^A

0/10

1/10

5/10

39.58 (6.09)^A

0/10

1/10

3/10

40.20 (7.76)^A

1/10

2/10

5/10

36.29 (9.66)^A

1/10

4/10

LAIV/NONE

7/10

36.04 (6.70)^B

1/10

3/10

6/10

32.04 (11.36)^B

2/10

4/10

8/10

29.56 (9.95)^B

3/10

4/10

7/10

32.26 (8.23)^B

2/10

4/10

10/10

23.93 (5.24)^B

7/10

6/10