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Influence of Relative Humidity on the Survival of Some Airborne Viruses

机译:相对湿度对某些机载病毒存活率的影响

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A system for studying the effects of relative humidity (RH) and temperature on biological aerosols, utilizing a modified toroid for a static aerosol chamber, is described. Studies were conducted at 23 C and at three RH levels (10, 35, and 90%) with four viruses (Newcastle disease virus, infectious bovine rhinotracheitis virus, vesicular stomatitis virus, and Escherichia coli B T3 bacteriophage). Virus loss on aerosol generation was consistently lower at 90% than at 10 or 35% RH. When stored at 23 C, Newcastle disease virus and vesicular stomatitis virus survived best at 10% RH. Infectious bovine rhinotracheitis virus and E. coli B T3 bacteriophage survived storage at 23 C best at 90% RH.
机译:描述了一种用于研究相对湿度(RH)和温度对生物气溶胶的影响的系统,该系统利用用于静态气溶胶室的改进的环形线圈。研究在23 C和三个RH水平(10%,35%和90%)下对四种病毒(新城疫病毒,牛传染性鼻气管炎病毒,水泡性口炎病毒和大肠杆菌B T3噬菌体)进行了研究。相对于10或35%RH,产生气溶胶的病毒损失始终低于90%。当在23°C下储存时,新城疫病毒和水疱性口炎病毒在10%相对湿度下存活最佳。牛传染性鼻气管炎病毒和大肠杆菌B T3噬菌体在90%RH的条件下,在23°C的最佳储存条件下存活。

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