Do masks really halve the risk of Covid? A note on the evidence
From our UK edition
‘Most of the trouble in life comes from misunderstanding’ as Willy Loman said in Oscar Wilde’s masterpiece An Inspector Calls. Grating isn’t it? But also a reasonable facsimile of how science reporting often reads, at least to those of us self identifying as scientists. Pre-Covid it was so. With Covid the problem has become, well,