The definition of Insanity is doing the same thing twice & expecting a different result
Tag: Masks
Cloth masks may increase infection from influenza like viruses. British medical journal.
https://bmjopen.bmj.com/content/5/4/e006577.long Objective The aim of this study was to compare the efficacy of cloth masks to medical masks in hospital healthcare workers (HCWs). The null hypothesis is that there is no difference between medical masks and […]
