More than a year into a pandemic that has sickened tens of millions of people in the United States and killed more than 500,000, most people are eager to reclaim some semblance of their former lives. About half of the country has received at least one dose of coronavirus vaccines authorized for emergency use by the Food and Drug Administration. Infection rates are dropping. And federal health authorities have relaxed mask recommendations for people who are fully vaccinated against the virus.Subs
Source: Masks have stopped disease spread for centuries. Here’s why they may catch on in the U.S.