Table 3.

Mean of haemagglutination inhibition titres from sera of pigs of experimental groups.

Group	Mean HI PorPV titres							Mean HI swH1N1 titres
	Days post-infection (weeks of age)							Days post-infection (weeks of age)
	0 (6)	7 (7)	14 (8)	28 (10)	46 (12)	50 (13)	52 (13)	0 (6)	7 (7)	14 (8)	28 (10)	46 (12)	50 (13)	52 (13)
PorPV/Mock	0	3.16	4.33	4.66	4.50	4.33	4.33	<5.32	<5.32	<5.32	<5.32	<5.32	<5.32	<5.32
PorPV/swH1N1	0	3.33	5.81	6.67	6	6	6	6.75	<5.32	<5.32	<5.32	6.33	7.56	10.03
Mock/swH1N1	0	0	0	0	0	0	0	<5.32	<5.32	<5.32	<5.32	6.61	8.3	9.3
Mock/Mock	0	0	0	0	0	0	0	<5.32	<5.32	<5.32	<5.32	<5.32	<5.32	<5.32

≥3 log₂ cut-off for PorPV serology.

≥6.32 log₂ cut-off for swH1N1 serology.