Table 1. Experimental design.

Day of study	−4	−3	CH	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16		21
Physical exams	x	x		x	x	x	x	x	x	x	x	x	x	x	x	x	x		x	ad	x
Body temperatures	x			x	x	x	x	x	x	x	x	x	x	x	x	x	x		x	ad	x
Shedding	x	x		x	x	x	x	x	x	x	x	x	x	x	x	x	x		x	ad	x
Viremia	x			x	x	x	x	x	x	x	x	x	x
EHV-1 VN and IgG Ab titres	x																x				x
Cytokines in nasal secretions	x			x	x
Cytokines/chemokines in mRNA	x			x	x	x	x	x	x	x	x	x	x
Cytokines in CSF		x												x

ad, Sampling on alternate days; x, daily sampling; CH, challenge infection.