Table 1. Seroprevalence of CDV infection in raccoons.

Places		2006	2007	2008	2009	2010	2011	2012	Total
Tanabe	No. of examined animals	69	24	74	129	108	70	98	572
	% of positive animals	1	63	28	7.8	4.6	11	5	11.4
Ryujin	No. of examined animals	0	0	0	2	4	4	4	14
	% of positive animals	-	-	-	50	0	0	50	21
Other towns	No. of examined animals	6	11	58	130	140	164	166	675
	% of positive animals	17	18	24	14.6	5.0	4.9	6.6	9.2
Total	No. of examined animals	75	35	132	261	252	238	268	1261
	% of positive animals	3	49	26.5	11.5	4.8	6.7	6.7	10.3