The mask mire
How governments and public health bodies failed to answer critical pandemic questions
Some of us started reviewing the evidence of the effects of physical interventions on the spread of viral respiratory infection two decades ago. The Cochrane review, now in its fourth update, concludes there is still uncertainty about the effects of face masks.
“Physical interventions” include hand washing, distancing, disinfection and barriers, incl…
Keep reading with a 7-day free trial