Category Archives: Expertise

What counts as evidence? Universal face mask use in the COVID-19 crisis

On April 3, 2020, the United States Centre for Disease Control (CDC) changed its advice on the universal use of face masks by citizens in public. While the CDC had been discouraging universal use of face masks, it now recommends it. On April 4, the World Health Organization (WHO) made a similar about-face. Around the world, thereContinue reading “What counts as evidence? Universal face mask use in the COVID-19 crisis”