摘要翻译：
在2020年5月至6月新冠肺炎病例下降后，大多数国家实施的封锁被解除。与热带地区相比，欧洲和其他温带国家最近的新冠肺炎病例激增（第二波）表明了太阳辐射的可能作用。我们假设紫外线辐射的影响可能是减缓新冠肺炎病毒在各国传播的一个重要因素。对7个热点城市（新德里、孟买、米兰、马德里、纽约、墨尔本和悉尼）的紫外线辐射数据与每日新冠肺炎病例进行了回归分析。全球红斑紫外辐射值冬季较低，夏季较高。总的来说，在紫外辐射剂量较低(0.5-3.7kJ·m-2)的冬季，每日新登记的新冠肺炎病例较高。随着夏季发病，病例开始减少，这与紫外线辐射增加(2.5-6.7kJ m-2)相对应。我们的研究表明，天然紫外线辐射可能是减缓新冠肺炎病例传播的一个强有力的决定因素。自从封锁解除以来，自然阳光中的紫外线辐射作为新型冠状病毒消毒剂的重要性不容忽视；此外，它可以被视为COVID管理的一个因素。
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英文标题：
《Ultra Violet radiation from sunlight: A key moderating factor in the
  spread of SARS-CoV-2 during the pandemic of 2020》
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作者：
Nirmala D. Desouza, Srikanta Sannigrahi, D. Blaise, Daniel Tan, Artemi
  Cerd\`a
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最新提交年份：
2021
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分类信息：

一级分类：Quantitative Biology        数量生物学
二级分类：Other Quantitative Biology        其他定量生物学
分类描述：Work in quantitative biology that does not fit into the other q-bio classifications
不适合其他q-bio分类的定量生物学工作
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英文摘要：
  Lockdowns imposed in most of the countries were lifted following a decline in the COVID-19 cases towards May-June 2020. A recent surge (second wave) in the COVID-19 cases in Europe and other temperate countries as compared to the tropical regions suggests the likely role of solar radiation. We hypothesized that ultraviolet radiation's effect might be a significant factor moderating the spread of the COVID-19 across countries. Regression analysis was done for the UV radiation data for seven hotspot cities (New Delhi, Mumbai, Milan, Madrid, New York, Melbourne and Sydney) with the daily COVID-19 cases. Global erythemal UV radiation values were lower during winter and higher during summer. In general, the daily new COVID-19 cases registered were higher during the winter months having low UV radiation dose (0.5-3.7 kJ m-2). Cases began to decline with summer onset that corresponded to increased UV radiation (2.5-6.7 kJ m-2). Our studies suggest that the natural UV radiation could be a strong determining factor moderating the spread of COVID-19 cases. The importance of UV radiation in natural sunlight as a disinfectant for SARS-CoV-2 cannot be ignored since the lockdowns were lifted; further, it can be considered as a factor for COVID management.
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PDF链接：
https://arxiv.org/pdf/2106.01328