Coronavirus: face masks may offer more protection than previously thought

This question is to be assessed by a panel of advisers to the World Health Organization (WHO).
The group will weigh up research on whether the virus can be projected further than previously thought; a study in the US suggests coughs can reach 6m and sneezes up to 8m.
The panel's chair, Prof David Heymann, told BBC News that the new research may lead to a shift in advice about masks.
The former director at the WHO explained: "The WHO is opening up its discussion again looking at the new evidence to see whether or not there should be a change in the way it's recommending masks should be used."

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