Contribution of Temperature Increase to Restrain the Transmission of COVID-19-The Innovation


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Position: Home > issue > February 28, 2021 Volume 2, Issue 1

Contribution of Temperature Increase to Restrain the Transmission of COVID-19

Category: Report

Author: Mengyuan Ren, Rongjuan Pei, Bahabaike Jiangtulu, Junxi Chen, Tao Xue,Guofeng Shen, Xiaoru Yuan, Kexin Li, Changxin Lan, Zhen Chen, Xinwen Chen,Yun Wang, Xiaoqian Jia, Zewu Li, Audil Rashid, Tippawan Prapamontol, Xiuge Zhao, Zhaomin Dong

Graphical Abstract

The COVID-19 outbreak has already become a global pandemic and containing this rapid worldwide transmission is of great challenge. The impacts of temperature and humidity on the COVID-19 transmission rate are still under discussion. Here, we elucidated these relationships by utilizing two unique scenarios, repeated measurement and natural experiment, using the COVID-19 cases reported from January 23 – February 21, 2020, in China. The modeling results revealed that higher temperature was most strongly associated with decreased COVID-19 transmission at a lag time of 8 days. Relative humidity (RH) appeared to have only a slight effect. These findings were verified by assessing SARS-CoV-2 infectivity under the relevant conditions of temperature (4°C–37°C) and RH (> 40%). We concluded that temperature increase made an important, but not determined, contribution to restrain the COVID-19 outbreak in China. It suggests that the emphasis of other effective controlling polices should be strictly implemented to restrain COVID-19 transmission in cold seasons.

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