期刊
INTERNATIONAL JOURNAL OF INFECTIOUS DISEASES
卷 90, 期 -, 页码 219-222出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.ijid.2019.10.037
关键词
Emerging non-vaccine serotype; Multidrug resistant; Serotype 15A
资金
- Institute of Medical Research, Ministry of Health, Malaysia
The emergence of non-vaccine multidrug-resistant Streptococcus pneumoniae serotypes is on rise. This study was performed to investigate a highly resistant serotype 15A S. pneumoniae isolated from the blood specimen of a 20-month-old patient who died of her infection. The SS40_16 isolate was resistant to erythromycin, co-trimoxazole, tetracycline, and chloramphenicol, as well as to penicillin, ceftriaxone, and cefotaxime (using meningitis cut-off points, Clinical and Laboratory Standards Institute). The isolate belonged to sequence type 1591 (ST1591) and was related to CC81 clonal complex, suggesting the possibility of horizontal gene transfer. Scanning electron microscopy comparison between resistant and sensitive pneumococcal isolates also indicated similar phenotypic characteristics that confer high resistance. The emergence of highly resistant non-vaccine pneumococci is of great concern to public health and in the clinical setting. Pneumococcal surveillance programs represent a crucial tool, not only for determining the impact of pneumococcal conjugate vaccines, but also for monitoring the selective pressure of serotype replacement with regard to the treatment of invasive pneumococcal disease. (C) 2019 The Author(s). Published by Elsevier Ltd on behalf of International Society for Infectious Diseases.
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