European restrictions, India's declining curve - how masks save lives
Debananda S Ningthoujam, PhD25 Oct 2020
When both an infected person and a non-infected person wear masks, the probability of Covid-19 transmission is reduced by up to 80 per cent
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When both an infected person and a non-infected person wear masks, the probability of Covid-19 transmission is reduced by up to 80 per cent