Facemasks in the COVID-19 era: A health hypothesis – ScienceDirect
https://www.sciencedirect.com/science/article/pii/S0306987720333028
SCIENCE SAYS!!!
Facemasks in the COVID-19 era: A health hypothesis – ScienceDirect
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 […]
Recent Comments