Truth of Face Masks:
The use of masks and respirators to prevent transmission of inﬂuenza: a systematic review of the scientiﬁc evidence
Cowling, B. et al. (2010)“Face masks to prevent transmission of influenza virus: A systematic review”, Epidemiology and Infection, 138(4), 449-456.
Use of Surgical Face Masks to Reduce the Incidence of the Common Cold Among Health Care Workers in Japan: A Randomized Controlled Trial
Truth of Experimental Drugs:
Truth of Lockdowns and Social Distancing: