Survival of Coronaviruses in Water and Wastewater

Survival of Coronaviruses in Water and Wastewater
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冠状病毒在水和废水中的生存

DOI:
10.1007/s12560-008-9001-6
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发表时间:
2008-12-03
影响因子:
3.4
通讯作者:
Pepper IL
Pepper IL
中科院分区:
农林科学2区
文献类型:
--
作者:
Gundy PM;Gerba CP;Pepper IL

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严重急性呼吸道综合征的出现及其潜在的环境传播表明,需要更多关于冠状病毒在水和废水中生存的信息。在过滤和未过滤的自来水(4和23°C)和废水(23° C)中测定了代表性冠状病毒、猫传染性腹膜炎病毒和人类冠状病毒229 E的存活率。在相同的试验条件下,将其与脊髓灰质炎病毒1进行比较。试验水中冠状病毒的灭活高度依赖于温度、有机物水平和拮抗细菌的存在。病毒滴度下降99.9%(T99.9)所需的时间表明,在自来水中,冠状病毒在23 ℃的水中灭活(10天)比在4 ℃的水中灭活(>100天)更快。冠状病毒在废水中迅速死亡,T99.9值在2至4天之间。脊髓灰质炎病毒在除4°C自来水外的所有测试沃茨中存活时间长于冠状病毒。
The advent of severe acute respiratory syndrome and its potential environmental transmission indicates the need for more information on the survival of coronavirus in water and wastewater. The survival of representative coronaviruses, feline infectious peritonitis virus, and human coronavirus 229E was determined in filtered and unfiltered tap water (4 and 23°C) and wastewater (23°C). This was compared to poliovirus 1 under the same test conditions. Inactivation of coronaviruses in the test water was highly dependent on temperature, level of organic matter, and presence of antagonistic bacteria. The time required for the virus titer to decrease 99.9% (T99.9) shows that in tap water, coronaviruses are inactivated faster in water at 23°C (10 days) than in water at 4°C (>100 days). Coronaviruses die off rapidly in wastewater, with T99.9 values of between 2 and 4 days. Poliovirus survived longer than coronaviruses in all test waters, except the 4°C tap water.
DOI: 10.1016/0043-1354(78)90031-3
发表时间: 1978-01-01
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