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Epidemiological study on an outbreak caused by E. coli O157:H7 in Jiangsu province / 中华流行病学杂志
Chinese Journal of Epidemiology ; (12): 938-940, 2004.
Article Dans Chinois | WPRIM | ID: wpr-324987
ABSTRACT
<p><b>OBJECTIVE</b>To carry out epidemiological study on an outbreak caused by E. coli O157H7 infection in Jiangsu province in 1999.</p><p><b>METHODS</b>Epidemiological, microbiological and moleculebiological methods were used to find out the source, route of transmission and risk factors.</p><p><b>RESULTS</b>95 severe O157H7 infected patients with acute renal failure in 9 counties and districts of 2 municipalities were reported in Jiangsu province, 1999 while 83 of the patients died with a death rate of 87.37%. Most patients were seen in mid or late June. The ratio of male to female was 1 to 1.44 and 88.42% of the patients were over 50 years old. 38 patients occurred in 2000 with 34 deaths. Major factors contributing to the outbreak would include without drinking tap water, eating leftover food, poor sanitary status in kitchen, not washing hands before meal and after bowl movement. 2 strain of O157H7 was isolated from severe patients and 3 from diarrhea cases. Carrier rate among animals was up to 9.62% and 99.41% of the strains carried toxic gene. Strains isolated from feces of patients and animals belonged to the same colonies.</p><p><b>CONCLUSION</b>This outbreak was severe which caused by O157H7 and was first seen in China, which was closely related to the high carrier rate of O157H7 in animals and to the positive rate of high toxic gene of the strains. There were various routes of transmission and the main factors of infection would include poor personal health habits and poor sanitation of the household.</p>
Sujets)
Texte intégral: Disponible Indice: WPRIM (Pacifique occidental) Sujet Principal: Études cas-témoins / Études séroépidémiologiques / Chine / Épidémiologie / Épidémies de maladies / Escherichia coli O157 / Protéines Escherichia coli / Diarrhée / Allergie et immunologie / Infections à Escherichia coli Type d'étude: Étude observationnelle / Facteurs de risque Limites du sujet: Adolescent / Adulte / Adulte très âgé / Aged80 / Enfant / Enfant d'âge préscolaire / Femelle / Humains / Bébé / Mâle Pays comme sujet: Asie langue: Chinois Texte intégral: Chinese Journal of Epidemiology Année: 2004 Type: Article

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Texte intégral: Disponible Indice: WPRIM (Pacifique occidental) Sujet Principal: Études cas-témoins / Études séroépidémiologiques / Chine / Épidémiologie / Épidémies de maladies / Escherichia coli O157 / Protéines Escherichia coli / Diarrhée / Allergie et immunologie / Infections à Escherichia coli Type d'étude: Étude observationnelle / Facteurs de risque Limites du sujet: Adolescent / Adulte / Adulte très âgé / Aged80 / Enfant / Enfant d'âge préscolaire / Femelle / Humains / Bébé / Mâle Pays comme sujet: Asie langue: Chinois Texte intégral: Chinese Journal of Epidemiology Année: 2004 Type: Article