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环境持久性和拉萨病毒的消毒

Marlee Shaffer, Robert J Fischer, Shane Gallogly

Emerging infectious diseases

|October 25, 2023

概括

拉萨热病毒 (LASV) 在废水中存在的时间比在表面的时间更长. 低酸有效地使LASV无活化,为拉萨热的风险管理提供信息.

科学领域:

环境病毒学环境病毒学
传染病流行病学传染病流行病学
公共卫生公共卫生

背景情况:

拉萨热,西非特有,导致每年显著的发病率和死亡率.
拉萨病毒 (LASV) 的传播通过受感染的动物和受污染的虫发生.
了解LASV环境持久性对于有效的控制策略至关重要.

研究的目的:

为了确定拉萨病毒 (LASV) 菌株的环境持久性.
评估LASV在水溶液和常见表面中的稳定性.
评估低酸盐在LASV消毒中的有效性.

主要方法:

评估了 LASV Josiah 和 Sauerwald 菌株的持续性.
在脱离离子水和主要影响废水中测试病毒稳定性.
在高密度聚乙烯和不钢表面的评估衰变率.
确定过化的无活化功效.

主要成果:

与废水相比,LASV菌株在离子化水中表现出更大的稳定性.
确定了高密度聚乙烯和不钢表面的病毒衰变率.
两种LASV菌株在测试表面上都表现出类似的衰变模式.
二酸盐有效地使 LASV 两种菌株失活.

结论:

根据介质,LASV的环境持久性有所不同.
表面污染构成潜在的传播风险.
低酸是一种可行的消毒剂,用于LASV失活.
这些发现支持改善拉萨热风险评估和管理方案.

关键词:

拉萨病毒拉萨病毒消毒消毒消毒消毒持续性持久性公司的可行性,可行性.病毒病毒病毒病毒.动物病是动物病.

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