Trends and risk factors for hepatitis A in NSW, 2000-2009: the trouble with travel.

NSW Public Health Bulletin Pub Date : 2012-09-01 DOI:10.1071/NB11036

Evan Freeman, Siranda Torvaldsen, Sean Tobin, Glenda Lawrence, C Raina MacIntyre

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引用次数: 6

Abstract

Aim: To analyse trends in hepatitis A notifications and information on exposure to risk factors, in particular international travel, collected through routine surveillance in NSW.

Methods: Hepatitis A notification data for the period 2000-2009 were extracted from the Notifiable Diseases Database and analysed by age group, gender, area of residence and exposure risk factors, including travel, food eaten and contact with other possible infectious cases.

Results: The notification rate for hepatitis A in NSW fell from 3.0 cases per 100000 population in 2000 to 1.4 cases per 100000 population in 2009. Notification rates were highest among people aged 20-24 years and residents of metropolitan Sydney. Travel to a country where hepatitis A is endemic was a risk exposure identified in 43% of cases.

Conclusion: International travel to highly endemic countries continues to be the most common risk factor for hepatitis A infection notified in NSW despite recommendations that travellers be vaccinated prior to travel to these areas.

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2000-2009年新南威尔士州甲型肝炎的趋势和危险因素:旅行带来的麻烦。

目的:分析通过新南威尔士州常规监测收集的甲型肝炎报告和暴露于危险因素的信息的趋势，特别是国际旅行。方法:从法定传染病数据库中提取2000-2009年甲型肝炎通报数据，按年龄、性别、居住地区和暴露风险因素(包括旅行、食用的食物和与其他可能的感染病例的接触)进行分析。结果:新南威尔士州甲型肝炎通报率从2000年的每10万人3.0例下降到2009年的每10万人1.4例。在20-24岁的人群和悉尼市区的居民中，通报率最高。在43%的病例中，前往甲型肝炎流行的国家旅行是一种风险暴露。结论:在新南威尔士州，前往高流行国家的国际旅行仍然是甲型肝炎感染最常见的危险因素，尽管建议旅行者在前往这些地区之前接种疫苗。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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NSW Public Health Bulletin

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20 weeks