A roundup of the story of Cochrane Review A122

The Story of evidence on barriers, distancing, hygiene and so on and the sundry attacks on it.

In this post we sum up the salient points about the story and identify who is accountable for what.

Physical interventions to interrupt or reduce the spread of respiratory viruses is a Cochrane systematic review of the effectiveness and harms of non-pharmaceutical interventions to halt or delay the spread of respiratory viruses.