<![CDATA[Background. Methicillin Resistant Staphylococcus aureus (MRSA) is a Staphylococcus aureus bacterium that is immune to penicillin isoxazoyl antibiotics such as methicillin, oxacillin and flucloxacillin. Staphylococcus aureus is one of the normal flora of the anterior nares and skin, which can be pathogenic when the patient's immune condition is deteriorating.Purpose. to determine the percentage of Methycillin Resistant Staphylococcus aureus (MRSA) in health staff at Wangaya District Hospital in Denpasar.Method. type of research is descriptive research design with Cross Sectional. The results of nasal swabs were implanted on MSA media and then catalase and coagulase tests were performed. The methicillin resistance test is carried out if after a positive catalase test and a positive coagulase test. If found MRSA will be continued by sensitivity test with antibiotics based on CLSI.Results. found five isolates of Staphylococcus aureus (11.36%), one MRSA isolate (2.27%), sensitive antibiotics were Tetracyclin, Cephazolin, Trimethroprim, Amikacin, Ciprofloxacin, Doxycycline, Ofloxacine and Levofloxacine.Conclusion. One MRSA isolate (2.27%) founded from nasal swabs of health staff at Wangaya District Hospital in Denpasar.]]>
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