Bangs head on desk. Cochrane is asking the wrong question (or, at least, too narrow a question). This meta-analysis looks at efficacy of masks to protect the w

Bangs head on desk. Cochrane is asking the wrong question (or, at least, too narrow a question). This meta-analysis looks at efficacy of masks to protect the wearer. Whereas the primary need is to catch infected droplets before they infect someone else.