Are cloth masks any good? CDC says yes. BMJ says maybe, if you get the right masks. France says no and you should be wearing medical masks. DANMASK-19 says less

Are cloth masks any good? CDC says yes. BMJ says maybe, if you get the right masks. France says no and you should be wearing medical masks. DANMASK-19 says less than 50% effective and no significant difference in infections among populations who wear and don't wear masks. Who's a fellow to believe? - https://www.bmj.com/content/372/bmj.n432 https://www.bmj.com/content/372/bmj.n432