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Association between ambient temperature and COVID-19 infection in 122 cities from China | |
Xie, Jingui1,2; Zhu, Yongjian1 | |
2020-03 | |
发表期刊 | SCIENCE OF THE TOTAL ENVIRONMENT
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ISSN | 0048-9697 |
EISSN | 1879-1026 |
摘要 | Background Coronavirus disease 2019 (COVID-19) has become a severe public health problem globally. Both epidemiological and laboratory studies have shown that ambient temperature could affect the transmission and survival of coronaviruses. This study aimed to determine whether the temperature is an essential factor in the infection caused by this novel coronavirus. Methods Daily confirmed cases and meteorological factors in 122 cities were collected between January 23, 2020, to February 29, 2020. A generalized additive model (GAM) was applied to explore the nonlinear relationship between mean temperature and COVID-19 confirmed cases. We also used a piecewise linear regression to determine the relationship in detail. Results The exposure-response curves suggested that the relationship between mean temperature and COVID-19 confirmed cases was approximately linear in the range of <3 degrees C and became flat above 3 degrees C. When mean temperature (lag014) was below 3 degrees C, each 1 degrees C rise was associated with a 4.861% (95% CI: 3.209-6.513) increase in the daily number of COVID-19 confirmed cases. These findings were robust in our sensitivity analyses. Conclusions Our results indicate that mean temperature has a positive linear relationship with the number of COVID-19 cases with a threshold of 3 degrees C. There is no evidence supporting that case counts of COVID-19 could decline when the weather becomes warmer, which provides useful implications for policymakers and the public. |
关键词 | Temperature
Novel coronavirus pneumonia
COVID-19
China
Generalized additive model |
DOI | 10.1016/j.scitotenv.2020.138201 |
WOS关键词 | RELATIVE-HUMIDITY ; AIR-POLLUTION ; TIME-SERIES ; MORTALITY ; WEATHER ; WUHAN |
WOS研究方向 | Environmental Sciences & Ecology |
WOS类目 | Environmental Sciences |
出版者 | ELSEVIER |
引用统计 | |
文献类型 | 期刊论文 |
专题 | 新冠肺炎 循证社会科学证据集成 |
作者单位 | 1.Univ Sci & Technol China; 2.Brunel Univ London |
推荐引用方式 GB/T 7714 | Xie, Jingui,Zhu, Yongjian. Association between ambient temperature and COVID-19 infection in 122 cities from China[J]. SCIENCE OF THE TOTAL ENVIRONMENT,2020. |
APA | Xie, Jingui,&Zhu, Yongjian.(2020).Association between ambient temperature and COVID-19 infection in 122 cities from China.SCIENCE OF THE TOTAL ENVIRONMENT. |
MLA | Xie, Jingui,et al."Association between ambient temperature and COVID-19 infection in 122 cities from China".SCIENCE OF THE TOTAL ENVIRONMENT (2020). |
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