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Songmee Bae 1 Article
Prevalent Multidrug-resistant Nonvaccine Serotypes in Pneumococcal Carriage of Healthy Korean Children Associated with the Low Coverage of the Seven-valent Pneumococcal Conjugate Vaccine
Sungkyoung Lee, Ji-Hye Kim, Seong-Han Kim, Misun Park, Songmee Bae
Osong Public Health Res Perspect. 2013;4(6):316-322.   Published online December 31, 2013
DOI: https://doi.org/10.1016/j.phrp.2013.10.004
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  • 4 Crossref
AbstractAbstract PDF
Objectives
Our previous longitudinal multicenter-based carriage study showed that the average carriage rate of Streptococcus pneumoniae was 16.8% in 582 healthy children attending kindergarten or elementary school in Seoul, Korea. We assessed serotype-specific prevalence and antimicrobial resistance among colonizing pneumococcal isolates from young children in the era of low use of the seven-valent pneumococcal conjugate vaccine (PCV7).
Methods
Serotypes were determined by an agglutination test with specific antisera or by a multiplex polymerase chain reaction (PCR) assay. An antimicrobial susceptibility test was performed with broth microdilution in Korean 96-well panels from Dade-MicroScan (Sacramento, CA, USA).
Results
Pneumococcal colonization patterns were dynamic and longterm persistent carriage was rare, which indicated a sequential turnover of pneumococcal strains. Of the 369 pneumococci (except for 23 killed isolates), 129 (34.9%) isolates were PCV7 vaccine serotypes (VTs); 213 (57.8%) isolates were nonvaccine serotypes (NVTs); and the remaining 27 (7.2%) isolates were nontypable (NT). The highest rates of multidrug resistance (MDR) were observed in VTs (86.0%; 111/129 isolates) and NVTs (70.0%; 149/213 isolates).
Conclusion
This study overall showed the frequent carriage of VTs and NVTs with MDR in healthy children attending kindergarten or elementary school. Efforts should be directed toward reducing the extensive prescription of antibiotics and using new broader vaccines to reduce the expansion of MDR strains of NVTs in our community.

Citations

Citations to this article as recorded by  
  • Characterization of Pneumococcal Colonization Dynamics and Antimicrobial Resistance Using Shotgun Metagenomic Sequencing in Intensively Sampled South African Infants
    Rendani I. Manenzhe, Felix S. Dube, Meredith Wright, Katie Lennard, Stephanie Mounaud, Stephanie W. Lo, Heather J. Zar, William C. Nierman, Mark P. Nicol, Clinton Moodley
    Frontiers in Public Health.2020;[Epub]     CrossRef
  • Encouraging rational antibiotic use in childhood pneumonia: a focus on Vietnam and the Western Pacific Region
    Nguyen T. K. Phuong, Tran T. Hoang, Pham H. Van, Lolyta Tu, Stephen M. Graham, Ben J. Marais
    Pneumonia.2017;[Epub]     CrossRef
  • Burden of bacterial upper respiratory tract pathogens in school children of Nepal
    Sangita Thapa, Shishir Gokhale, Annavarapu Laxminarasimha Sharma, Lokendra Bahadur Sapkota, Shamshul Ansari, Rajendra Gautam, Sony Shrestha, Puja Neopane
    BMJ Open Respiratory Research.2017; 4(1): e000203.     CrossRef
  • Bacterial Density, Serotype Distribution and Antibiotic Resistance of Pneumococcal Strains from the Nasopharynx of Peruvian Children Before and After Pneumococcal Conjugate Vaccine 7
    Christiane R. Hanke, Carlos G. Grijalva, Sopio Chochua, Mathias W. Pletz, Claudia Hornberg, Kathryn M. Edwards, Marie R. Griffin, Hector Verastegui, Ana I. Gil, Claudio F. Lanata, Keith P. Klugman, Jorge E. Vidal
    Pediatric Infectious Disease Journal.2016; 35(4): 432.     CrossRef

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