Mask effectiveness studies. Posted by By bacca400 December 19, 2020Posted inMask From Loeb M, Dafoe N, Mahony J, John M, Sarabia A, Glavin V, Webby R, Smieja M, Earn DJ, Chong S, Webb A, Walter SD. Surgical mask vs N95 respirator…
600,000 masks from China do not work. Posted by By bacca400 March 30, 2020Posted inChina, Mask 600,000 masks delivered to Netherlands from China do not work, and many are already in use. https://twitter.com/MacaesBruno/status/1243987243812913152?s=20