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Coronavirus: Face mask use 'reasonable' to cut transmission rates
Jun 6, 2020
Wearing face coverings to protect against coronavirus "seems reasonable", a senior figure in Public Health Wales (PHW) has said.
Christopher Williams said there "should be" an effect on transmission if a lot of people wore them in "appropriate settings".
In England, face coverings will become compulsory on public transport from 15 June.
The Welsh Government will make an announcement early next week.
First Minister Mark Drakeford has previously said there is only a "marginal public health case" for face coverings .
Deputy minister Lee Waters said there was a worry masks give "a false sense of security".
The British Medical Association wants ministers in Wales to change position , calling for masks to  be worn in public areas where people cannot socially distance.
"I think in general in public health there's a good principle that things done by lots of people in lots of settings, even if they have a small individual effect, are able to have a large population effect," Dr Williams told BBC Radio Wales Breakfast .
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"I think this is some of the thinking behind the use of face coverings.
Image copyright Getty Images Image caption Passengers in Wales are being asked by train operators to wear masks from 15 June
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