الفهرس 
Materials and methodsOnly 14 pages are availabe for public view
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Abstract
Goagulase - positive staphylococci were isolated from 53%. of cases from pyogenic infections in hospit-als and from 36% of the nasal carriers.
Tube coagulase test is a most convenient and rel-iable test for determining the pathogenicity of staphy-lococcus aureus.
Rifampicin was found to be the most effective drug against all strains isolated from infected cases and car-riers followed by gentamycin and cefalotine which were found to be effective against the majority of strains.
Most strains of staphylococcus aureus isolated are resistant to penicillinotatracyclins and chloramphencol.
All the penicillin resistant strains owe their res-istance to the production of penicillinase enzyme, while all the sensitive strains are non penicillinase producers.
The method used for detection of penicillinase pro-duction, was the filter paper bromocresapurple acidome-
tric method which is a cheep, simple and rapid. And this method can be used as screening test for penicillin resi-stant strains causing an out break of staphylococcus aureus in hospital wards.