ABSTRACT

In comparing the antimicrobial strength of three most common antibiotics, which includes: streptomycin chloranphenicol and gentarccin. 
Samples of urine and high vaginal swab (H.V.S) were collected from park lane Enugu. The organisms isolated were pure culture of staphylococcus aureus and Escherichia coli 
Sensitivity test was carried out with  the use of sensitivity disk containing various minimum inhibitory concentration of the different antibiotics. 
The result obtained shaved that gentamicn was more effective followed by chloramphenicol while some organisms shaved resistant to streptomycin.