Table 3.

Drug susceptibility of the unclassified coliforms

Drug inhibition diameters (mm)
Sample No.	Amoxicillin			Ciprofloxacin			Cotrimoxazole			Erythromycin			Nalidicic acid			Nitrofurantoin
	R	I	S	R	I	S	R	I	S	R	I	S	R	I	S	R	I	S
65	0					24	0			0			13			0
68BA		16				28	11			0			0				15
15	0				19		0				17		13			0
96	0					25	0			0			0					28
113	0			0			0			0			0					23
65(a)	0			0			0			0			0			0
18(a)	0			0			9			9			0			10
T	0			0					18	0			0					17
98(b)	0			9			0			0			0			0
55	0			0			0			0			0					21
15(b)	0					43	0			0					29			25
22(a)	0			0			0			0			0			0		20
86(a)		15				21	10			9			0			14
56	0					25	0			10			13			8
51	0			0			0					23	0					20
206		15				22	10			0			0				16
26(a)	10				19		0				14		13			0
127	11					24	0			10			12			0
220	0			0			0			0			0					21
58	0			0			0			0			0			0

Key:

R - Resistance to the drug

I - Intermediate resistance to the drug

S - Susceptibility to the drug

0 - No zone of inhibition around the antibiotic disk