Result of Methicillin-resistant Staphylococcus aureus (MRSA) Detection from Normal Community People in Phitsanulok Province

Sureeporn Ruengrangsi, Benjawan Kamol, Pornthip Saraisuwan, Sirilak Teeraputon


Methicillin-resistant Staphylococcus aureus (MRSA) is the bacterial resistance in hospital-associated MRSA (HA-MRSA), which one of the major problem in infection treatment. This study was determined the prevalence of MRSA from 667 normal community people in Phitsanulok province from March to August 2010. The bacterial strains were isolated from nasal swab, and then MRSA detected by disk diffusion and classiied the MRSA type using Multiplex PCR. We found 6 isolates of S. aureus (10.04%). Five of 67 of S. aureus isolates were MRSA (0.75%). In antibiogram testing, 3 of 5 of MRSA were only resistant to Oxacillin or Vancomycin, whereas other two were susceptible. All of them were Sccmec type I and no evidence of Panton Valentine Leukocidin (PVL) gene in MRSA typing. We could summarize that 5 MRSA from our study were HA-MRSA not Community-associated MRSA (CA-MRSA)

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