Effectiveness of Adding a Mask Recommendation to Other Public Health Measures to Prevent SARS-CoV-2 Infection in Danish Mask Wearers: A Randomized Controlled Trial: Annals of Internal Medicine: Vol 0, No 01 Hats off to Jefferey Jaxen and the team at The HighWire with Del Bigtree on this ‘breaking news’:2 The largest randomized controlled trial on […]