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Epidemiological characteristics and molecular typing of Salmonella in Beijing from 2008 to 2009 / 中华预防医学杂志
Zhonghua Yu Fang Yi Xue Za Zhi ; (12): 113-117, 2011.
Article de Zh | WPRIM | ID: wpr-349874
Bibliothèque responsable: WPRO
ABSTRACT
<p><b>OBJECTIVE</b>To study the epidemiological characteristics and molecular phenotypes of Salmonella by pulsed-field gel electrophoresis (PFGE) in Beijing from 2008 to 2009.</p><p><b>METHODS</b>A total of one hundred thirty-seven isolates recovered from the WHO Global Salmonella Surveillance system and entero clinic surveillance system were identified by biochemical tests and serotyping. The related epidemiological informations were also analyzed. The isolates were further typed by PFGE.</p><p><b>RESULTS</b>The prevalence of Salmonella from 2008 to 2009 showed obvious seasonal character. High incidence occurred from June to September, and 64.1% (84/131) isolates were recovered in this period. Patients of 18 - 40 year-old were 46.1% (58/128) and 80 patients were male and 40 patients were female with the ratio of 1.57:1. These 137 Salmonella isolates belonged to 20 serotypes, including Enteritidis (46.7%, 64/137) and Typhimurium (17.5%, 24/137) as the dominant serotype. In total, 71 PFGE profiles were identified. Four PFGE patterns of S. Enteritidis isolates (JEGX01.CN0001, JEGX01.CN0003, JEGX01.CN0002, JEGX01.CN0019) and S. Typhimurium pattern of JPXX01.CN0001 were dominant patterns.</p><p><b>CONCLUSION</b>The prevalence of Salmonella from 2008 to 2009 showed distribution characteristics of sex, age and seasons. The numerous PFGE patterns of Salmonella showed diversity of these isolates and different clones existed in Beijing.</p>
Sujet(s)
Texte intégral: 1 Indice: WPRIM Sujet Principal: Salmonella / Salmonelloses / ADN bactérien / Sérotypie / Chine / Épidémiologie / Techniques de typage bactérien / Classification / Électrophorèse en champ pulsé / Typage moléculaire Type d'étude: Prognostic_studies Limites du sujet: Adolescent / Adult / Female / Humans / Male Pays comme sujet: Asia langue: Zh Texte intégral: Zhonghua Yu Fang Yi Xue Za Zhi Année: 2011 Type: Article
Texte intégral: 1 Indice: WPRIM Sujet Principal: Salmonella / Salmonelloses / ADN bactérien / Sérotypie / Chine / Épidémiologie / Techniques de typage bactérien / Classification / Électrophorèse en champ pulsé / Typage moléculaire Type d'étude: Prognostic_studies Limites du sujet: Adolescent / Adult / Female / Humans / Male Pays comme sujet: Asia langue: Zh Texte intégral: Zhonghua Yu Fang Yi Xue Za Zhi Année: 2011 Type: Article