Klebsiella pneumonia, Staphylococcus aureus, Proteus vulgaris, Escherichia coli and
Pseudomonas aeruginosa were obtained from Olabisi Onabanjo Teaching Hospital Sagamu,
Ogun State. The microorganisms were sub cultured and the pure cultures re-sub cultured on
nutrient agar slants and thereafter stored at 4ºC until required for study.