Wearing a face mask has become about making a political statement rather than public health, a government scientist has said. Prof Clifford Stott, of Keele University, told LBC:" We know that wearing masks, particularly in crowded, poorly-ventilated environments, has a big impact on the levels of transmission that can take place." But also I think, particularly now, wearing a mask is also communicating to others about a sense of responsibility – and I think that's a key issue in mask-wearing now
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每日电讯报-英国新闻
2021-08-06 00:00:00.0