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Letter: Rising temperatures could explain the slump in Covid cases

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Letter: Rising temperatures could explain the slump in Covid cases

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Their report (July 27) points to the mysterious decline in Covid-19 infections despite the easing of restrictions.

There is a plausible explanation for this apparent puzzle. It is known that the virus has a shorter lifespan at higher temperatures. In fact, a recent study relied on infections in up to 166 countries to show that a 1 ° C rise in temperature was accompanied by a 3.08 percent reduction in new Covid-19 cases every day. In the past week or so, the UK has seen an exceptional rise in temperature, which is certainly a significant part of the rapid decline in Covid-19 infections. In other words, the very high temperatures (thanks to global warming?) Served as a hedge against a virus surge caused by both the Euro 2020 gatherings and the recent easing of restrictions.

Professor Costas Milas
Management school
University of Liverpool, UK

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