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Nasal Carriage of Streptococcus pneumoniae serotypes and Staphylococcus aureus in Streptococcus pneumoniae-vaccinated and non-vaccinated young children

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Abstract

Since the implementation of Streptococcus pneumoniae (SPn) conjugate vaccination (PCV), non-vaccine types have prevailed in invasive pneumococcal disease (IPD), and an increase in Staphylococcus aureus (SA) burden has been suggested. Here, we assess the epidemiology of SA and SPn nasal carriage in 620 children at day-care centres; 141 of these children had received 1-4 PCV7 doses. A higher vaccine dosage was associated with non-vaccine-type SPn carriage. Of all SPn isolates, 45% were PCV7 types, 1% were additional PCV10 types and 22% were the three additional PCV13 types. SA carriage was inversely associated with vaccine-type SPn carriage. SPn serotype 19A showed higher SA co-carriage rates compared to other SPn serotypes. PCV7 implementation does not prevent children from being part of the IPD-related SPn transmission chain. These results contribute to the monitoring of SA-and SPn-related disease and add to the debate on the current national vaccination policy that recently included a change from PCV7 to PCV10.

    Research areas

  • Antibiotic resistance, children, day-care centres, Staphylococcus aureus, Streptococcus pneumoniae, vaccination, PNEUMOCOCCAL CONJUGATE VACCINE, CONTROLLED-TRIAL, CO-COLONIZATION, ASSOCIATION, DISEASE, NETHERLANDS, PREVENTION, AGE, REPLACEMENT, BACTERIAL
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Details

Original languageEnglish
Pages (from-to)631-638
Number of pages8
JournalEpidemiology and Infection
Volume141
Issue number3
DOIs
Publication statusPublished - Mar 2013