Letter to editor regarding Ogen Y 2020 paper: "Assessing nitrogen dioxide (NO2) levels as a contributing factor to coronavirus (COVID-19) fatality".

Sci Total Environ · 2020 · PMC7201242 · PMID 32402462

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a decreasing trendno p-value reported

As evident from publically available data sources from the European Environmental Agency, NO 2 is showing a decreasing trend over the recent decade in western Europe, including Italy, Germany, and Spain ( https://www.eea.europa.eu/data-and-maps/daviz/emission-trends-for-the-main-6#tab-chart_1 ; https://www.leopoldina.org/uploads/tx_leopublication/2019_Leo_Stellungnahme_Saubere_Luft_en_web_05.pdf ).

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