Effect of short-term exposure to air pollution on COVID-19 mortality and morbidity in Iranian cities.

J Environ Health Sci Eng · 2021 · PMC8553398 · PMID 34729185

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an increasing trendno p-value reported

In case of Mashhad, an increasing trend of positive associations were observed in cumulative exposure from lag-day 0–1 (1.00, 95% CI: 1.20–1.44) to lag-day 0–7 (0.81, 95% CI: 1.51–2.54) per 10 μg/m 3 increase in PM 10 .

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