Korean J Pediatr Infect Dis.
2010 Jun;17(1):9-15.
Nasal Carriage of Staphylococcus aureus from Healthy Children Attending Day Care Center
- Affiliations
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- 1Department of Pediatrics, Seoul National University Children's Hospital, Seoul, Korea.
- 2Department of Pediatrics, Dong Kang General Hospital, Ulsan, Korea.
- 3Department of Pediatrics, Seoul National University Bundang Hospital, Seongnam, Korea. entier@hanmail.net
- 4Department of Pediatrics, Seoul National University College of Medicine, Seoul, Korea.
Abstract
- PURPOSE
This study was performed to investigate the prevalence of Staphylococcus aureus (S. aureus) nasal carriage in Korean children attending day care centers.
METHODS
During September and October 2009, a survey for nasal carriage of S. aureus and methicillin-resistant S. aureus (MRSA) was conducted among children attending day care centers located in Seoul with questionnaire survey for evaluation of risk factors of acquisition of MRSA was obtained from their guardians. A culture of the anterior nares swabs using enrichment broth was executed for isolating S. aureus and oxacillin susceptibility was assessed by the disk diffusion method.
RESULTS
Out of the 428 children enrolled whose mean age was 55 months old, 163 (38.1%) were colonized with S. aureus. Of the 163 isolates, 40 (24.5%) were MRSA. The nasal carriage rate of S. aureus showed an increasing trend with increase of age. Based on the answer to the questionnaire, 9.2% and 3.6% of children had a recent history of hospitalization and surgery, respectively, and approximately 40% of children had a history of prescription of antibiotics within 1 year prior to enrollment. Of the 428 subjects, 40 (9.3%) were MRSA nasal carriers.
CONCLUSION
S. aureus and MRSA carriage rate of children attending day care center in Korea was 38.1% and 9.3%, respectively. Continued surveillance for nasal carriage rate of S. aureus and MRSA (especially community-associated MRSA) is mandatory.
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