Read the review:
Jefferson T, Dooley L, Ferroni E, Al-Ansary LA, van Driel ML, Bawazeer GA, Jones MA, Hoffmann TC, Clark J, Beller EM, Glasziou PP, Conly JM.
Physical interventions to interrupt or reduce the spread of respiratory viruses. Cochrane Database of Systematic Reviews
2023, Issue 1. Art. No.: CD006207. DOI: 10.1002/14651858.CD006207.pub6.
See for background:
This post is in memory of our friend and colleague Chris Del Mar. “Play it straight” Chris.