Table 2: detection of G. lamblia infection in diarrhoeic and non-diarrhoeic stool by Microscopy and Enzyme immunoassay
Diarrhoea stool
	No. tested	No. Positive	%	No. Negative	%
Microscopy	365	4	1.09	361	98.90
ELISA	365	21	5.75	344	94.25
Non-diarrhoea stool
	No. tested	No. Positive	%	No. Negative	%
Microscopy ELISA	120	1	0.83	119	99.16
	120	6	5.00	114	95
32 samples, non-diarrhoea [7] and diarrhoea [25] were positive for PCR. Two representative sequences showed >95% identity to G. intestinalis B