Why Advice on Masks Seems to Be Constantly Changing
by Beth Skwarecki on Vitals, shared by Beth Skwarecki from Lifehacker on (#54GBD)

The World Health Organization announced new guidance on masks late last week, spurring another wave of eyerolling about how they" keep changing their minds. Previously the WHO did not recommend that healthy people wear masks; now they say that people over 60 and people with underlying health conditions should wear...