Table 1. Reciprocal titres of anti-FMDV antibodies (serotype O) in sera from unvaccinated and rSFV-FMDV vaccinated calves in experiment 1.

			Pre-challenge		Post-challenge
Group	Vaccination and challenge	Animal	PVD 14	PVD 21	PVD 27	PVD 30
1	No vaccination (control)	C1	-	-	-	20
	Needle challenge	C2	-	-	-	20
2	rSFV-FMDV-P1-2A	C3	-	-	320	320
	Needle challenge	C4	-	-	320	320
		C5	-	5	640	320
3	rSFV-FMDV-P1-2A-mIRES-3C	C6	5	10	320	320
	Needle challenge	C7	-	-	320	320
		C8	-	-	320	320