在表面上的SARS-CoV-2生存. 测量优化以进行基于度的风险评估
Angelo Spena1, Leonardo Palombi2,3, Mariachiara Carestia3
1Department of Enterprise Engineering, Tor Vergata University of Rome, 00133 Rome, Italy.
概括
这项研究模拟了SARS-CoV-2在表面上的存活率,并使用Enthalpy方法确定了减少病毒活力的最佳条件. 这些发现有助于控制严重急性呼吸系统综合征冠状病毒2的传播.
科学领域:
- 环境科学 环境科学
- 病毒学 病毒学
- 公共卫生 公共卫生
背景情况:
- 表面上的SARS-CoV-2生存受环境因素的影响.
- 了解病毒生存能力对于感染控制策略至关重要.
- 现有的表面生存数据需要统一的建模方法.
研究的目的:
- 开发一个一致的模型,用于SARS-CoV-2在不同的环境条件下在表面上的生存.
- 为了确定与最低SARS-CoV-2生存能力相关的特定环境参数.
- 评估和建议改进实验室方法评估病毒表面测量.
主要方法:
- 应用Enthalpy方法来分析有关SARS-CoV-2表面存活率的现有文献数据.
- 同时考虑温度和相对湿度的变化.
- 与之前关于空气传播冠状病毒的研究进行了比较分析.
主要成果:
- 为SARS-CoV-2表面生存建立了一个一致的模型.
- 最低的SARS-CoV-2活力是在特定的度范围 (50-60kJ/Kg干空中) 确定.
- 这种热范围与空气传播的冠状病毒行为的发现一致.
结论:
- 恩萨尔皮方法提供了一种整体的方法,以了解病毒在表面上的生存能力.
- 环境条件,特别是在已识别的度范围内,显著影响SARS-CoV-2的生存.
- 目前用于病毒表面评估的实验室协议具有很高的变异性,缺乏标准化,需要改进.
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