期刊
LANDSCAPE AND URBAN PLANNING
卷 228, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.landurbplan.2022.104583
关键词
COVID-19 pandemic; Infection risk; Green spaces; Forest; Open space; Causal mechanisms
类别
资金
- University of Hong Kong
- Research Grants Council of the Hong Kong SAR
- [102010054.088616.01100.302.01]
- [104006587.088616.01100.301.01]
- [CityU11207520]
The study examined the relationship between green spaces and SARS-CoV-2 infection rate, revealing a negative association between total green space and infection rate. Forest, especially nearby forest, was found to significantly reduce the risk of infection.
The coronavirus pandemic is an ongoing global crisis that has profoundly harmed public health. Although studies found exposure to green spaces can provide multiple health benefits, the relationship between exposure to green spaces and the SARS-CoV-2 infection rate is unclear. This is a critical knowledge gap for research and practice. In this study, we examined the relationship between total green space, seven types of green space, and a year of SARS-CoV-2 infection data across 3,108 counties in the contiguous United States, after controlling for spatial autocorrelation and multiple types of covariates. First, we examined the association between total green space and SARS-CoV-2 infection rate. Next, we examined the association between different types of green space and SARS-CoV-2 infection rate. Then, we examined forest-infection rate association across five time periods and five urbanicity levels. Lastly, we examined the association between infection rate and population-weighted exposure to forest at varying buffer distances (100 m to 4 km). We found that total green space was negative associated with the SARS-CoV-2 infection rate. Furthermore, two forest variables (forest outside park and forest inside park) had the strongest negative association with the infection rate, while open space variables had mixed associations with the infection rate. Forest outside park was more effective than forest inside park. The optimal buffer dis-tances associated with lowest infection rate are within 1,200 m for forest outside park and within 600 m for forest inside park. Altogether, the findings suggest that green spaces, especially nearby forest, may significantly mitigate risk of SARS-CoV-2 infection.
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