HYDERABAD: A study by a group of researchers associated with Centers for Disease Control and Prevention (CDC), the national public health agency of the United States, has found that chances of deaths have reduced by 87 per cent if people wear medical masks. It also said wearing double masks is a better option to counter the UK variant of Covid-19.
The study, which was conducted for about six months in the US, said that by wearing a cloth mask, the death rate had reduced by 82 per cent. The medical masks also helped in reducing the cumulative infection by 78 per cent and by 69 per cent if people wore cloth masks.