TABLE 4.

Distribution of Borrelia genospecies in different parts of Europe^a

Group	Countries	% of positive ticks (mean ± SEM)					No. of records for B. afzelii, B. garinii, B. burgdorferi sensu stricto, and nontypeable Borrelia	No. of records for B. valaisiana
		B. afzelii	B. garinii	B. burgdorferi sensu stricto	B. valaisiana	Nontypeable Borrelia
1	Southern Germany, Czech Republic, Slovakia	55 ± 4	25 ± 6b	3 ± 2b	27 ± 7c	2 ± 1	8	6
2	Norway, Sweden, Finland, Estonia	68 ± 9	18 ± 5b	16 ± 8b	2 ± 2	2 ± 1	5	3
3	Bulgaria, Croatia, Slovenia	60 ± 5	16 ± 5b	14 ± 6b	16 ± 5b	8 ± 3	5	4
4	United Kingdom, Ireland	7 ± 4c	43 ± 8	13 ± 5c	41 ± 5	9 ± 3	4	4
5	Central and northern Germany	26 ± 7	52 ± 7	17 ± 8c	8 ± 3c	3 ± 2	5	4
6	Austria, Switzerland	25 ± 8	44 ± 7	25 ± 9	7 ± 3	3 ± 2	6	4
7	The Netherlands, Belgium, northern France	46 ± 15	34 ± 9	19 ± 9	33	11 ± 5	6	1

^aSeven different groups were defined as described in the text. The P values are the P values for the species with the highest mean percentage (for groups 1 to 3, B.afzelii, for groups 4 and 5, B. garinii).

^bP < 0.001.

^cP < 0.01.