Organism	Total screened	% b-lactamase and integron class 1 in Gram bacteria isolates.
Organism	Total screened	blaTEM	blaCTX-M	blaSHV	blaOXA	int1
Citrobacter spp	n = 10	30	10	0	10	0
E. coli	n = 20	60	50	15	20	20
Proteus spp	n = 9	56	22	11	11	11
P.aeruginosa	n = 15	67	47	27	40	47
Salmonella spp	n = 3	33	33	0	0	0
Klebsiella spp	n = 20	60	20	50	30	25
Enterobacter spp	n = 20	30	10	10	0	0
Shigella spp	n = 2	0	0	0	0	0
Acinetobacter baumannii	n = 2	50	0	0	0	50
Morganella morgannii	n = 2	0	0	0	0	0
Serratia marcesence	n = 1	0	0	0	0	0
Edwardisella tarda	n = 1	0	0	0	0	0
Hafnia alvei	n = 1	0	0	0	0	0