Coronavirus can remain infectious outdoors for 24 hours in winter

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Vienna.- The SARS-CoV-2 coronavirus, which causes covid-19, can remain infectious for up to 24 hours outdoors during the winter months, according to a study by the Vienna University of Veterinary Medicine (Vetmeduni). The research, on which the University reported this Monday in a statement, analyzes the effect of natural ultraviolet (UV) radiation emitted by the sun on coronaviruses, both on surfaces and in aerosols, since it has, in principle, the potential to render them harmless. THE SUN REDUCES CONTAGION IN SUMMER … But it depends mainly on the place and the season of the year. In Sao Paulo (Brazil), for example, “only one ten-thousandth part of all coronaviruses survive every day in the open air throughout the year, while in Reykjavik (Iceland) this strong influence only occurs in June and July,” […]

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