Methicillin-resistant Staphylococcus aureus carriers among eye health staff

Sir, We would like to share ideas on “Prevalence and determinants of Methicillin-resistant Staphylococcus aureus (MRSA) and methicillin-sensitive Staphylococcus aureus carrier among staff of a tertiary eye hospital in Saudi Arabia.[1]” Khan et al. proposed that “The high prevalence of MRSA and relatively easy treat MRSA carriers points at the need for universal screening for MRSA carriers among eye health staff.[1]” The identification of MRSA might be useful and have implication for disease control. There are two important factors affecting rate of positivity that should be mentioned. First, a good clinical specimen collection, the preanalytical factor, is important. A false negative due to poor swabbing is possible.[2] Second, quality control of analytical process within microbiology is important. Invalid result of analysis is possible and it is different among different diagnostic test kits.[3] Due to the nature of retrospective analysis of the present study, it is difficult to control both mentioned preanalytical and analytical factors. Financial support and sponsorship Nil. Conflicts of interest There are no conflicts of interest.

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