Intestinal Colonization by Campylobacter jejuni, Clostridium difficile, and Clostridium perfringens among Commensal Rattus norvegicus in the Urban Areas of Tehran, Iran

Table 3

The frequency of zoonotic pathogens identified by PCR in five districts of Tehran.

Frequency	C. coli no. (%)	C. jejuni no. (%)	C. difficile no. (%)	C. difficile toxigenic no. (%)	C. perfringens no. (%)
Male (77)	0	11 (14.3)	4 (5.2)	0	14 (18.2)
Female (23)	0	0	0	0	1 (4.3)
North (20)	0	1 (5)	1 (5)	0	1 (5)
South (20)	0	5 (25)	0	0	5 (25)
East (20)	0	1 (5)	0	0	1 (5)
West (20)	0	1 (5)	0	0	4 (20)
Center (20)	0	3 (15)	3 (15)	0	4 (20)
Total	0	11	4	0	15