COVID-19: Top science stories of the week, from bats to mutations

Jul 31, 2020

A girl wearing a protective face mask attends the China Digital Entertainment Expo and Conference (ChinaJoy) in Shanghai, following the coronavirus disease (COVID-19) outbreak, China July 31, 2020. REUTERS/Aly Song - RC264I9YJ5B3

Chinese researchers have shown that mask-wearing is associated with reduced face-touching. Image: REUTERS/Aly Song

Sam Leakey

Programme Specialist, Science and Society, World Economic Forum

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SARS-CoV-2 could have been hanging around in bat populations for decades Image: Wiki Commons

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