> There may not be studies specifically into covid-19 on this topic. There is only one study that looked at cloth masks and it was completed in 2015. > And IM

> There may not be studies specifically into covid-19 on this topic. There is only one study that looked at cloth masks and it was completed in 2015. > And IMO it's completely wrong to say we have no evidence tht masks work. I never said that. I'm saying that a high standard of evidence has not been met and there isn't much interest in running trials on cloth masks. The only one I could find is in Guinea-Bissau. https://clinicaltrials.gov/ct2/show/NCT04471766 https://clinicaltrials.gov/ct2/show/NCT04471766