Surgical masks Archives

Evidence shows that, yes, masks prevent COVID-19 – and surgical masks are the way to go

What type of mask is best? Brais Seara/Moment via Getty Images Laura (Layla) H. Kwong, University of California, Berkeley Do masks work? And if so, should you reach for an N95, a surgical mask, a cloth mask or a gaiter? Over the past year and a half, researchers have produced a lot of laboratory, model-based and observational evidence on the …