“The sun kills the Coronavirus in a few minutes”: here is the study that bodes well


TURIN – While scientists all over the world work to find a solution that will help defeat the Coronavirus, comforting news comes from a study called “Simulated Sunlight Rapidly Inactivates SARS-CoV-2 on Surfaces”, and published on Journal of Infectious Diseases dall ‘Oxford University. According to this research the sunlight would be able to inactivate after a few minutes the Coronavirus contained in the saliva droplets, among the main vehicles of the virus, and deposited on the surfaces.“Recent studies have shown that the COVID-19 virus is stable on surfaces for long periods indoors”, reads in the preface. A statement that would however have been questioned by the researchers involved in the study, who have “artificially recreated the light and solar radiation representative of the summer solstice at 40 ° N latitude at sea level on a clear day”.

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Coronavirus, the results of the study

The results of the study give hope. In fact, sunlight would be able to kill 90% of the viruses contained in saliva in just 6.8 minutes and in 14.3 in culture media. “There has also been significant inactivation, albeit at a slower rate, at lower sunlight levels. The present study – it is read – provides the first evidence that sunlight can rapidly inactivate SARS-CoV-2 on surfaces, suggesting that persistence, and therefore the risk of exposure, can vary significantly between indoor and outdoor environments. Additionally, these data indicate that natural sunlight can be effective as a disinfectant for contaminated non-porous materials. “


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