Gram positive isolates	Gram negative isolates
Streptococcus spp (Facultative anaerobe)	Klebsiella spp (Facultative anaerobe)
Bacillus spp (Aerobe)	E. coli spp (Facultative anaerobe)
Staphylococcus spp (Facultative anaerobe)	Pseudomonas sppp (Aerobe)