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Estimated Inactivation of Coronaviruses by Solar Radiation With Special Reference to COVID‐19
Photochemistry and Photobiology ( IF 3.3 ) Pub Date : 2020-07-01 , DOI: 10.1111/php.13293
Jose-Luis Sagripanti 1 , C David Lytle 2
Affiliation  

Using a model developed for estimating solar inactivation of viruses of biodefense concerns, we calculated the expected inactivation of SARS‐CoV‐2 virus, cause of COVID‐19 pandemic, by artificial UVC and by solar ultraviolet radiation in several cities of the world during different times of the year. The UV sensitivity estimated here for SARS‐CoV‐2 is compared with those reported for other ssRNA viruses, including influenza A virus. The results indicate that SARS‐CoV‐2 aerosolized from infected patients and deposited on surfaces could remain infectious outdoors for considerable time during the winter in many temperate‐zone cities, with continued risk for re‐aerosolization and human infection. Conversely, the presented data indicate that SARS‐CoV‐2 should be inactivated relatively fast (faster than influenza A) during summer in many populous cities of the world, indicating that sunlight should have a role in the occurrence, spread rate and duration of coronavirus pandemics.

中文翻译:

估计太阳辐射对冠状病毒的灭活,特别是 COVID-19

使用为估计具有生物防御问题的病毒的太阳灭活而开发的模型,我们计算了世界多个城市在不同时期人工 UVC 和太阳紫外线辐射对 SARS-CoV-2 病毒(COVID-19 大流行的原因)的预期灭活。一年中的时间。此处估计的 SARS-CoV-2 紫外线敏感性与报告的其他 ssRNA 病毒(包括甲型流感病毒)的敏感性进行了比较。结果表明,在许多温带城市的冬季,从受感染患者身上雾化并沉积在表面上的 SARS-CoV-2 可能在相当长的时间内在户外保持传染性,并存在再次雾化和人类感染的风险。反过来,
更新日期:2020-07-01
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