3 ms·
Masks are largely ineffective in controlling the spread of Corona so the answer is 0. Source: https://www.bbc.co.uk/news/health-51205344 https://www.bbc.co.uk/
by bradwood 7y ago
Masks are largely ineffective in controlling the spread of Corona so the answer is 0.
Source: https://www.bbc.co.uk/news/health-51205344 https://www.bbc.co.uk/news/health-51205344