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An effect assessment of Airborne particulate matter pollution on COVID-19: A multi-city Study in China
Bo Wang.
Jiangtao Liu.
Shihua Fu.
Xiaocheng Xu.
Lanyu Li.
Yueling Ma.
Ji Zhou.
Jinxi Yao.
Xingrong Liu.
Xiuxia Zhang.
Xiaotao He.
Jun Yan.
Yanjun Shi.
Xiaowei Ren.
Jingping Niu.
Bin Luo.
Kai zhang.
Acceso Abierto
Atribución-NoComercial-SinDerivadas
10.1101/2020.04.09.20060137
Objective: Coronavirus disease 2019 (COVID-19) is a serious infectious disease, which has caused great number of deaths and health problems worldwide. This study aims to examine the effects of airborne particulate matter (PM) pollution on COVID-19 across China. Methods: In this study, we obtained confirmed cases of COVID-19, the data of airborne ambient PM with aerodynamic diameter [≤] 2.5 m (PM2.5) and [≤] 10 m (PM10), ambient temperature (AT), absolute humidity (AH) and migration scale index (MSI) in 72 cities of China (excluded Wuhan city) on a daily basis, each of which confirmed more than 50 cases from January 20th to March 2nd, 2020. We applied a two-stage analysis. Generalized additive models with quasi-Poisson distribution was first fitted to estimate city-specific effects of PM10 and PM2.5 on daily confirmed COVID-19 cases while controlling AT, AH and MSI. Then, we used meta-analysis to generate the pooled effect estimates from city-specific results. Results: During the study period, there were a total of 24 939 COVID-19 cases, most of which were reported in Hubei Province. In our meta-analysis, we found each 10 g/m3 increase in concentration of PM2.5 and PM10 in single day lag (from lag 0 to lag 7 and lag 14) were positively associated with confirmed cases of COVID-19, not including PM10 at lag 5, lag 6 and lag 7, and PM2.5 at lag 5, lag 6. Similar trend was also found in different cumulative lag days (from lag 01 to lag 07 and lag 014). The effects of PM2.5 and PM10 on daily COVID-19 confirmed cases are statistically significant for three cumulative lag periods over 3, 7 and 14 days with the greatest effect over 14 days. The estimated RRs of which were 1.64 (95% CIs: 1.47, 1.82) and 1.47 (95% CIs: 1.34, 1.61) with each 10 g/m3 increase in concentrations of PM2.5 and PM10, respectively. In addition, we found that the effects of PM2.5 on daily confirmed cases were greater than PM10 in all included lag days. Conclusions: This nationwide study suggests that airborne PM pollution likely increases the risk of getting COVID-19 in China.
www.medrxiv.org
2020
Artículo
https://www.medrxiv.org/content/10.1101/2020.04.09.20060137v1.full.pdf
Inglés
VIRUS RESPIRATORIOS
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