A 和 G 群链球菌侵袭性和非侵袭性组中 emm 型的分布。
Distribution of emm types in invasive and non-invasive group A and G streptococci.
机构信息
Bacteriology Unit, Department of Infectious Disease Surveillance and Control, National Institute for Health and Welfare (THL), Helsinki, P.O. Box 30, 00271, Finland.
出版信息
Eur J Clin Microbiol Infect Dis. 2012 Jun;31(6):1251-6. doi: 10.1007/s10096-011-1436-2. Epub 2011 Oct 16.
Our study describes the emm type distributions of invasive and non-invasive group A streptococci (GAS) and group G streptococci (GGS) strains in one of the biggest Health Districts in Finland. A total of 571 GAS or GGS were recovered from patients with invasive or non-invasive infections during a 1-year period in 2008-2009 in Pirkanmaa Health District in Finland. We describe here the emm type distributions of GAS and GGS collected from throat (n = 246), pus (n = 217), deep tissue (n = 56) and blood (n = 52). The most common emm types among GAS were emm77, emm1, emm28, emm89 and emm12. Among GGS, the most common emm types were stG480, stG643, stG6, stC6979 and stG485. Some emm types were found to associate with certain infection focus. In GAS, emm77 associated with pus isolates, whereas emm1 and emm12 were more frequent among throat isolates. In GGS, stG480 was more commonly found from throat isolates.
我们的研究描述了在芬兰最大的一个卫生区中侵袭性和非侵袭性 A 组链球菌（GAS）和 G 组链球菌（GGS）菌株的emm 型分布。在 2008-2009 年期间，芬兰皮卡拉卫生区的 1 年间从侵袭性或非侵袭性感染患者中分离出了 571 株 GAS 或 GGS。我们在此描述了从喉咙（n = 246）、脓液（n = 217）、深部组织（n = 56）和血液（n = 52）中采集的 GAS 和 GGS 的 emm 型分布。GAS 中最常见的 emm 型是 emm77、emm1、emm28、emm89 和 emm12。在 GGS 中，最常见的 emm 型是 stG480、stG643、stG6、stC6979 和 stG485。一些 emm 型与特定的感染部位有关。在 GAS 中，emm77 与脓液分离株有关，而 emm1 和 emm12 则更多见于喉咙分离株。在 GGS 中，stG480 更常见于喉咙分离株。
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