Table 1.

Scoring system for clinical signs after challenge with TGEV-like CCoV 174/06^a.

Parameter	Result	Score
General appearance	Normal	0
	Depressed state	2
	Difficulties in breathing	3
	Lethargy	3
	Death	20
Appetite	Normal; eats all food	0
	Fair; eats more than 1/2 of food	1
	Poor; eats less than 1/2 of food	2
	None; eats nothing	3
Dehydration	None	0
	Mild	1
	Moderate	2
	Severe	3
Diarrhoea	None present	0
	Soft	1
	Liquid	2
	Bloody	3
Abdominal pain	None	0
	Mild	1
	Moderate	2
	Severe	3

^aAdapted from Decaro et al. [6], [7].