Someone wearing a surgical mask had up to a 90% chance of getting infected after half an hour (even while seated about five feet apart from the sick person), while someone in a respirator had ...

Medical-grade masks ... someone else, so it's common practice for medical professionals to wear them around sick patients. Face coverings are meant to protect you in the same way that disposable ...

The California study found that those who wore an N95 in all public indoor settings were 83 percent less likely to test positive—a massive improvement over cloth masks. Surgical masks sat in the ...

As health officials scramble to minimize spread of the highly contagious Omicron variant, many experts have recommended that people switch from cloth or surgical masks to more-protective N95 and ...