牛脊髓灰质炎:十年后 - - 第二部分
1Department of Medical Microbiology, University Medical School, Edinburgh, UK.
Lancet (London, England)
|March 8, 1997
概括
据估计,在1997-2001年期间,英国牛群中可能发生6950例牛形脑病变 (BSE). 如果现行立法得到执行,公众和动物健康仍然受到保护.
科学领域:
- 兽医流行病学 兽医流行病学
- 食品安全科学 食品安全科学
- 公共卫生政策 公共卫生政策
背景情况:
- 牛形脑病 (BSE) 对动物和公众健康构成风险.
- 已实施控制措施以减轻BSE传播.
- 以前的立法禁止特定的牛肉材料从食品和料链中使用.
研究的目的:
- 为了估计英国牛群中未来的BSE发病率.
- 评估当前控制措施的有效性.
- 评估人类食用的牛产品的安全性.
主要方法:
- 基于传播参数的疾病发病率建模.
- 分析立法变化及其对控制的影响.
- 对食品和料链排除措施的审查.
主要成果:
- 根据特定的传播假设,预计1997-2001年将有大约6950例BSE病例.
- 现有立法如果得到执行,就能充分保护公众和动物健康.
- 尽管一些控制措施出现了滑落,但目前的保障措施被认为是足够的.
结论:
- 牛奶和牛肉对人类消费是安全的.
- 持续执行不断发展的立法对于保持安全至关重要.
- 虽然杀可以减少数量,但它在科学上并非必不可少.
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