Masks work against not only COVID-19 but also the flu, RSV, and other respiratory viruses. We should still be using them ...

However, giving people masks does not necessarily mean that people will wear masks. "The study was misinterpreted and, when you give it a very quick glance, you see how that would happen," Dr ...

Next, the review compared medical/surgical masks to N95 respirators (or P2 respirators, which are used in Europe). It found that "wearing N95/P2 respirators probably makes little to no difference ...