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Systematic review finds PM2.5 exposure increases COVID-19 infection risk in low-and middle-income Asian countries, suggesting improved air quality policies are needed.
Our findings provide robust evidence that PM2.5 exposure is a significant risk factor for COVID-19 infection in low- and middle-income Asian countries. The available evidence was insufficient to establish a clear association with mortality. These results underscore the urgent need for strengthened air quality control policies as a critical component of public health strategies to mitigate the burden of respiratory pandemics..
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Rahmadina et al. (2026) studied this question.
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