Table 1.

Animal sensitization and challenge protocol.

	Infection(5d post birth)0d	Sensitization3d	Sensitization4d	Challenge21-25d
PBS	PBS i.n.	PBS i.n.	PBS i.n.	OVA i.n.
PBS-OVA	PBS i.n.	OVA i.n.	OVA i.n.	OVA i.n.
PVM	PVM i.n.			OVA i.n.
PVM-OVA	PVM i.n.	OVA i.n.	OVA i.n.	OVA i.n.
PVM-OVA+BPTES	PVM i.n. + BPTES i.p.	OVA i.n. + BPTES i.p.	OVA i.n.	OVA i.n.
PVM-OVA+NFLP	PVM i.n. + NFLP i.p.	OVA i.n.+ NFLP i.p.	OVA i.n.	OVA i.n.
PVM-OVA + BPTES + Pro	PVM i.n. + BPTES i.p. + Pro i.p.	OVA i.n. + BPTES i.p. + Pro i.p.	OVA i.n.	OVA i.n.
PVM-OVA + NFLP+ Pro	PVM i.n. + NFLP i.p. + Pro i.p.	OVA i.n. + NFLP i.p. +Pro i.p.	OVA i.n.	OVA i.n.