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  • Title: Pneumococcal serotype distribution and antimicrobial resistance in Chinese children hospitalized for pneumonia.
    Author: Yao KH, Wang LB, Zhao GM, Zheng YJ, Deng L, Huang JF, Wang JX, Zhao RZ, Deng QL, Hu YH, Yu SJ, Yang YH, Young M.
    Journal: Vaccine; 2011 Mar 09; 29(12):2296-301. PubMed ID: 21276441.
    Abstract:
    A prospective study was performed to determine serotype distribution and antimicrobial resistance in Streptococcus pneumoniae (S. pneumoniae) from Chinese children <5 years old meeting pneumonia criteria. A total of 3865 children were enrolled and 338 S. pneumoniae isolates were obtained. The most frequent serotypes were 19F (55.6%), 19A (13.9%), 23F (10.1%), 6B (4.7%), and 14 (3.6%). The 7-, 10- and 13-valent conjugate vaccines, respectively, covered 76.3%, 76.9%, and 92.3% of isolates. Out of the isolates, six (1.8%) were penicillin resistant. All except 1 of the isolates were resistant to erythromycin. Serotype 19A showed the highest drug resistance. The use of PCV7 has the potential to prevent a substantial number of pneumococcal infections. However, PCV13 is likely to prevent more episodes of pneumococcal disease in China because of the high rates of 19A.
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