Table 1.

Study population and sample distribution.

Variable					Seropositive						Pathogen detected
					CRCoV		CnPnV		M. cynos		CRCoV		CnPnV
			Dogs		(n = 525)						(n = 559)		(n = 555)
			n	%	n	%	n	%	n	%	n	%	n	%
	Total*		572	100	247	47	219	41.7	236	45	43	7.7	130	23.4
Source	Client		261	45.6	86	36.7	51	21.8	92	39.3	20	7.9	46	18.3
	Shelter		264	46.2	139	55.6	137	54.8	137	54.8	21	8.1	73	28.2
	Other		47	8.2	22	53.7	31	75.6	7	17	2	4.4	11	24.4
Clinical Group	Unaffected		138	24.1	73	55.3	67	50.8	55	41.7	8	5.9	28	20.6
	Acute		282	49.3	109	42.9	90	35.4	97	38.2	27	9.8	60	22.2
	Convalescent		152	26.6	65	46.8	62	44.6	84	60.4	8	5.4	42	28.2
Country	Italy		130	22.7	37	31.9	25	21.5	38	32.8	4	3.1	22	16.9
	Greece		112	19.6	37	38.5	26	27.1	50	52.1	9	8.6	23	21.9
	Hungary		109	19	38	39.2	42	43.3	50	51.5	8	7.4	34	32.4
	France		101	17.7	70	72.2	68	70.1	60	61.9	11	11.5	24	25.3
	Spain		61	10.7	39	63.9	23	37.7	26	42.6	3	4.9	9	14.8
	Netherlands		59	10.3	26	44.8	35	60.3	12	20.7	8	13.6	18	30.5
Severity Score	1 (healthy)		191	33.4	108	59.3	100	55	87	47.8	11	5.9	42	22.5
	2 (mild-moderate)		317	55.4	119	41.3	102	35.4	121	42	22	7	67	21.5
	3 (severe)		64	11.2	20	36.4	17	30.9	28	51	10	17	21	37.5
Disease	N		191	33.4	108	59.3	100	54.9	87	47.8	11	5.9	42	22.5
	Y		381	66.6	139	40.5	119	34.7	149	43.4	32	8.6	88	23.9
Vaccination	CDV (n = 403)	N	72	17.9	–	–	–	–	–	–	–	–	–	–
		Y	331	82.1	–	–	–	–	–	–	–	–	–	–
	CAdV (n = 405)	N	87	21.5	–	–	–	–	–	–	–	–	–	–
		Y	318	78.5	–	–	–	–	–	–	–	–	–	–
	CPIV (n = 381)	N	149	39.1	–	–	–	–	–	–	–	–	–	–
		Y	232	60.9	–	–	–	–	–	–	–	–	–	–
	Bb (n = 307)	N	241	78.5	–	–	–	–	–	–	–	–	–	–
		Y	66	21.5	–	–	–	–	–	–	–	–	–	–