COVID-19

It marks an abrupt end to a sense of normalcy that had settled over Moscow. On Thursday, Russia reported 1,159 deaths in the previous 24 hours. The Kremlin blames Russians' reluctance to vaccinate.

The Federal Trade Commission says sales in 2020 were up slightly, and analysts say the increase was due to the coronavirus pandemic. But the gain looks unlikely to represent a long-term trend.

The singer said he'll do as many planned interviews and performances from home as possible, but it's unclear what that means for his just-announced gig as Saturday Night Live musical guest on Nov. 6.

Moderna says a study in kids 6 to 11 found two doses of the company's COVID-19 vaccine given 28 days apart produced a strong antibody response.

The policy announced Monday threatens a "hard quarantine" that is longer than the Games themselves for anyone who arrives unvaccinated.

Only a third of pregnant Americans are vaccinated for COVID-19, despite being at far higher risk for complications and death.

A new coronavirus variant — known as delta plus — has cropped up in the U.K. There's concern it could be more dangerous than the highly contagious delta variant. What does the science actually show?

The companies studied a 10 microgram vaccine dose in children 5 to 11, a third of the dose used for adults, to minimize side effects and because it still prompts a strong immune response.

Memes could be a valuable way to help people deal with stressful situations.

The White House says the U.S. has enough doses for the country's 28 million kids age 5 to 11 and has laid out a plan to get them inoculated as soon as the vaccine is authorized for the age group.