Table 1.

The Prevalence of Anaplasma phagocytophilum, Borrelia burgdorferi Sensu Lato, and Ehrlichia chaffeensis in Ixodid Ticks Collected from Vegetation, Humans, and Other Animals

Pathogens	Pools of ticks collected from												Total
	Vegetation			Humans			Other animals			Total by tick stage
	F	M	N	F	M	N	F	M	N	F	M	N
Ixodes ricinus
A. phagocytophilum	10/32 (172)a	2/4 (26)	2/7 (48)	5/62 (83)	0/4 (4)	2/30 (43)	2/13 (64)	0/2 (11)	0/1 (1)	17/107 (319)	2/10 (41)	4/38 (92)	23/155 (452)
B. burgdorferi s. l.	27/39 (220)	3/5 (35)	8/11 (63)	21/102 (123)	0/14 (14)	15/58 (72)	6/20 (94)	0/2 (11)	2/3 (5)	54/161 (437)	3/21 (60)	25/72 (140)	82/254 (637)
E. chaffeensis	0/32 (172)	0/4 (26)	0/7 (48)	0/62 (83)	0/4 (4)	0/30 (43)	0/13 (64)	0/2 (11)	0/1 (1)	0/107 (319)	0/10 (41)	0/38 (92)	0/155 (452)
Dermacentor marginatus
A. phagocytophilum	0/5 (10)	n/a	n/a	0/1 (1)	n/a	n/a	0/5 (8)	n/a	n/a	0/11 (19)	n/a	n/a	0/11 (19)
E. chaffeensis	0/5 (10)	n/a	n/a	0/1 (1)	n/a	n/a	0/5 (8)	n/a	n/a	0/11 (19)	n/a	n/a	0/11 (19)
Dermacentor reticulatus
A. phagocytophilum	0/7 (11)	n/a	n/a	0/5 (5)	0/1 (1)	n/a	0/5 (10)	0/1 (1)	0/2 (5)	0/17 (26)	0/2 (2)	0/2 (5)	0/21 (33)
E. chaffeensis	0/7 (11)	n/a	n/a	0/5 (5)	0/1 (1)	n/a	0/5 (10)	0/1 (1)	0/2 (5)	0/17 (26)	0/2 (2)	0/2 (5)	0/21 (33)
Rhipicephalus rossicus
A. phagocytophilum	0/5 (19)	n/a	n/a	0/12 (13)	0/2 (2)	0/5 (6)	0/4 (14)	0/1 (4)	n/a	0/21 (46)	0/3 (6)	0/5 (6)	0/29 (58)
E. chaffeensis	0/5 (19)	n/a	n/a	0/12 (13)	0/2 (2)	0/5 (6)	0/4 (14)	0/1 (4)	n/a	0/21 (46)	0/3 (6)	0/5 (6)	0/29 (58)

^aValues correspond to number of PCR-positive tick pools/total numbers of tick pools tested. In the parentheses are indicated the total number of individual ticks tested per a total number of pools.

F, female; M, male; N, nymphal ticks; n/a, nonapplicable.