Back in June, in a post called Jesus Christ, Just Wear a Face Mask!, I presented a bunch of evidence and arguments for wearing face masks to prevent the spread of Covid-19. Even then it was pretty clear that masks were working. In piece published by Nature yesterday, Lynne Peeples summarizes what the data and science currently says about the effectiveness of wearing face masks. Here is her one-sentence summary:
A group of scientists who believe that WHO and the CDC are being too slow in acknowledging the role of aerosol transmission in spreading Covid-19 have written up a Google Doc of advice for the public: FAQs on Protecting Yourself from COVID-19 Aerosol Transmission.
A spin studio (aka an indoor gym with stationary bikes) in Hamilton, Ontario is dealing with an outbreak of Covid-19 stemming from one asymptomatic patron that has resulted in 69 positive cases so far, even though the studio “followed the rules”. From the CNN report: