Even a simple homemade mask has some efficacy [1] though it significantly less. The primary author’s summary of wether they would be protective is “no” [2] [1]

Even a simple homemade mask has some efficacy [1] though it significantly less. The primary author’s summary of wether they would be protective is “no” [2] [1] https://www.researchgate.net/publication/258525804_Testing_the_Efficacy_of_Homemade_Masks_Would_They_Protect_in_an_Influenza_Pandemic https://www.researchgate.net/publication/258525804_Testing_t... [2] https://twitter.com/chaiclate/status/1232972182667612162?s=20 https://twitter.com/chaiclate/status/1232972182667612162?s=2...