Table 3.

Experimental studies used to fit distributions for the latent, subclinical, and infectious period.

Reference	Reference laboratory	Strain	Number of pigs (contact only)
Alexandersen et al. (17)	Pirbright	O/TAW/97	12 (6)
Eblé et al. (18)	Lelystad	O/TAW/97	50 (25)
Howey et al. (19)	Pirbright	O/UKG/01	12 (0)
Orsel et al. (20)	Lelystad	O/NET/2001	34 (25)
Pacheco and Mason (4)	Plum Island	O/HKN/21/70	42 (18)
		O/TAW/97
		O/UKG/01
		O/SKR/2000
		O/TAW/0/2/99
Pacheco et al. (21)	Plum Island	A24 Cruzeiro	30 (18)
		O1 Manisa
		Asia 1 Shamir
Quan et al. (22)	Pirbright	O/UKG/01	70 (38)
Van Roermund et al. (23)	Lelystad	O/NET/2001	36 (24)