Table 1.

Frequency of studied genes among strains isolated from different wastewater sources.

Source	Virulence genes %		Resistance genes %
	traT	fimH	blaCTX	blaTEM	blaSHV	tetA
Poultry sewage (number = 33)	27	28	24	15	1	29
	81.8%	84.8%	72.7%	45.5%	3%	87.9%
Urban sewage (number = 33)	31	31	29	13	2	33
	93.9%	93.9%	87.9%	39.4%	6.1%	100%
Livestock slaughter house sewage (number = 33)	31	32	26	12	3	29
	93.9%	97%	78.8%	36.4%	9.1%	87.9%
Total (number = 99)	89	91	79	40	6	91
	89.9%	91.9%	79.8%	40.4%	6.1%	91.9%