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Capsular Serotyping of Streptococcus pneumoniae by Latex Agglutination
09:11

Capsular Serotyping of Streptococcus pneumoniae by Latex Agglutination

Published on: September 25, 2014

[Antimicrobial resistance and serotype distribution of Streptococcus pneumoniae isolated from multi-centers across

Qi Wang1, Fei-fei Zhang, Chun-jiang Zhao

  • 1Department of Clinical Laboratory, Peking University People's Hospital, Beijing, China.

Zhonghua Jie He He Hu Xi Za Zhi = Zhonghua Jiehe He Huxi Zazhi = Chinese Journal of Tuberculosis and Respiratory Diseases
|March 30, 2013
PubMed
Abstract

Insights

Streptococcus pneumoniae antibiotic resistance is a serious concern in China, particularly to tetracycline, erythromycin, and clindamycin. The 13-valent pneumococcal conjugate vaccine (PCV13) shows significant potential to cover most resistant strains, especially in children.

Area of Science:

  • Microbiology
  • Infectious Diseases
  • Vaccinology

Context:

  • Antibiotic resistance in Streptococcus pneumoniae poses a significant global health threat.
  • Understanding serotype distribution and antimicrobial susceptibility is crucial for effective disease prevention and treatment strategies.
  • Pneumococcal conjugate vaccines (PCVs) are vital tools for reducing the burden of pneumococcal diseases.

Purpose:

  • To investigate the trends of antibiotic resistance in Streptococcus pneumoniae strains in China.
  • To evaluate the serotype distribution of S. pneumoniae isolates.
  • To assess the potential coverage of pneumococcal conjugate vaccines (PCVs) against prevalent serotypes.

Summary:

  • A study of 471 S. pneumoniae strains in China (2010-2011) revealed high resistance rates to tetracycline (89.6%), erythromycin (93.2%), and clindamycin (88.7%). Penicillin resistance was observed in 50.1% of isolates.
  • Serotypes 19F and 19A were the most prevalent, with a majority of these being penicillin-resistant.
  • The 13-valent pneumococcal conjugate vaccine (PCV13) demonstrated a potential coverage of 76% for all isolates and higher coverage in children (86.9%) compared to adults (73.4%).

Impact:

  • Findings highlight the urgent need for antimicrobial stewardship programs to combat rising S. pneumoniae resistance in China.
  • PCV13 emerges as a potentially effective tool for controlling infections caused by drug-resistant S. pneumoniae strains.
  • The study provides valuable data for informing vaccination policies and guiding the selection of appropriate antibiotic therapies.

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