Who should receive a Covid-19 booster shot?
A Covid-19 variant that appears more contagious than the earliest strain of the virus is increasingly circulating in the U.S. But is the mutation something to fear?
After more than a year of masks, physical distancing and staying home, more than half of U.S. adults have experienced anxiety about returning to in-person interactions.
Covid nails? What’s the story, and are gnarly nails another signal you may have had the virus?
Will I need a booster shot? If so, when?
Cities, states, businesses and employers are offering incentives to encourage people to get Covid-19 vaccinations.