Table 2. Prevalence of Borrelia spp. in small mammal species in the San Francisco Bay area, California, USA.

Borrelia species	Mammal species	Site	Sample source	Prevalence at site, no. tested/no. positive (%)	Prevalence across sites, no. tested/no. positive (%)
B. miyamotoi	Dusky-footed woodrat	Foothills	Blood	1/4 (25)	1/6 (17)
	Brush mouse	Thornewood woodland	Ear	1/17 (6)	2/71 (3)
	Brush mouse*	Windy Hill	Ear	1/18 (6)
	California mouse	Foothills	Ear	1/6 (17)	4/24 (17)
	California mouse	Thornewood woodland	2 ear, 1 blood	3/9 (33)
B. bissettiae	Brush mouse	Thornewood woodland	Ear	1/17 (6)	1/71 (1)
	Pinyon mouse	Foothills	Blood	1/3 (33)	1/3 (33)
B. burgdorferi sensu lato	California mouse	Windy Hill	Blood	1/6 (17)	1/24 (4)
Borrelia spp., not sequenced	Brush mouse	Thornewood woodland	2 blood, 1 blood and ear	3/17 (18)	3/71 (4)

*Co-infection with B. burgdorferi sensu lato.