New Chinese study suggests Covid-19 linked to air pollution

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A new Chinese study covering 324 cities has found that places with modestly higher levels of nitrogen dioxide pollution (10 micrograms per cubic metre) in the five years before the pandemic began had 22% more Covid-19 cases, whilst higher levels of small particle pollution saw a 15% rise. Another Chinese analysis of 120 cities also found a significant link. These studies are in addition to studies in Italy, the United Kingdom and the United States, which also suggest a link between Covid-19 and air pollution. Full details are available in this article published in today’s Guardian.

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