Face visors may protect wearer but not other people against Covid-19

Public health experts not convinced of plastic shields' benefits for general users

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Face visors and shields could protect workers who have close contact with others against infection from Covid-19, but may not prevent the wearer spreading the virus, experts have said.

Linda Bauld, a professor of public health at the University of Edinburgh, said research was needed into the alternative forms of face protection before they could be recommended for general use.