Table 2. Seroprevalence of CDV infection in raccoon dogs.

Places		2007	2008	2009	2010	2011	2012	Total
Tanabe	No. of examined animals	1	4	14	16	22	62	119
	% of positive animals	0	50	0	6	9	31	20.2
Ryujin	No. of examined animals	0	0	2	31	9	10	52
	% of positive animals	-	-	0	13	11	70	24
Other towns	No. of examined animals	2	1	22	62	14	45	146
	% of positive animals	0	0	5	6	7	0	4.1
Total	No. of examined	3	5	38	109	45	117	317
	% of positive animals	0	40	3	8.3	9	22.2	13.2