High prevalence of Babesia microti in small mammals in Beijing

Table 1 Prevalence of Babesia microti in small mammals from different districts

Districts	Regional type	No. of mammals tested	No. of positive	Positive rate (%)	Odd ratio	No. of Kobe-type (%)	No. of U.S.-type (%)
Miyun	Outer suburban	93	34*	36.6	56.47	31 (33.3)	4 (5.4)
Huairou	Outer suburban	83	18	21.7	27.14	17 (20.5)	1 (1.2)
Mentougou	Suburban	80	16	20.0	24.50	14 (17.5)	2 (2.5)
Shijingshan	Suburban	67	13	19.4	23.59	13 (19.4)	0 (0.0)
Haidian	Suburban	67	11	16.4	19.25	8 (11.9)	3 (4.5)
Fangshan	Suburban	105	15	14.3	16.33	14 (13.3)	1 (1.0)
Tongzhou	Suburban	78	11	14.1	16.09	10 (12.8)	1 (1.3)
Fengtai	Suburban	59	6	10.2	11.09	2 (3.4)	4 (6.8)
Yanqing	Outer suburban	120	12	10.0	10.89	5 (4.2)	7 (5.8)
Dongcheng	Urban	105	10	9.5	10.32	3 (2.9)	7 (6.7)
Pinggu	Outer suburban	121	8	6.6	6.94	6 (5.0)	2 (1.7)
Changping	Suburban	141	9	6.4	6.68	6 (4.3)	3 (2.1)
Xicheng	Urban	66	3	4.6	4.67	2 (3.0)	1 (1.5)
Daxing	Suburban	59	1	1.7	1.69	0 (0.0)	1 (1.7)
Shunyi	Suburban	99	1	1.0	1.00	1 (1.0)	0 (0.0)
Chaoyang	Suburban	48	0	0.0		0 (0.0)	0 (0.0)
Total		1391	168	12.1		132 (9.5)	37 (2.7)

*Among the 34 samples of Miyun, there was one sample infected by both Kobe-type and U.S.-type B. microti

ISSN: 2049-9957