Guidance from the U.S. Equal Employment Opportunity Commission says employers can legally require workers to get a COVID-19 vaccine before returning to the office. But workers can claim exceptions.

As the country faces the world's worst coronavirus crisis, children want to know: Will I catch it? Will grandfather die? What's it like to be an orphan?

With the focus shifting again to a Wuhan, China, lab, Dr. Céline Gounder, a COVID-19 adviser to the Biden transition team, says it's important to find the pandemic's origins to prevent the next one.

There's no universal digital passport yet, it's not clear exactly what kind of proof will be accepted, and paper vaccination cards can be easily forged, damaged or lost.

They're treating as many as 200 patients a day. Many have seen more suffering than they expected in an entire career. A psychiatrist warns this will be "a generation of doctors who are traumatized."

Both the Moderna and Pfizer brand mRNA vaccines for COVID-19 are reported to be safe for adolescents ages 12 and up. Emory University and Children's Healthcare of Atlanta are now testing efficacy of Moderna's vaccine in those aged 6 months to 11 years.

Moderna will ask the Food and Drug Administration to authorize its vaccine for kids ages 12 to 17 in early June, the company's CEO says.

Some patterns are emerging in Georgia just a few weeks into COVID-19 vaccinations for children between 12 and 15, even though only a fraction of them have been vaccinated.

The stunning speed of the vaccines' development and rollout has helped tame COVID-19 in the U.S., which remains the worst-hit country in the world.

The largest U.S. school district will reopen this fall with no option for virtual classes. Chancellor Meisha Porter says 70,000 employees have already been vaccinated, "and we need our children back."

Though the odds are comparable, many parents worry more about the less familiar disease. New mask guidelines have heightened anxiety. Experts explain the actual versus perceived risks of severe COVID.

As states across the U.S. begin lifting indoor mask mandates for the fully vaccinated, there's widespread confusion. Both businesses and customers are struggling over their decisions on mask-wearing.

The latest CDC data shows a recent bump in the doses administered per day. New England leads the country in vaccination rates among adults.

Hospitals are full. Testing is scant. Illiteracy is high. Most deaths are never registered. COVID-19's wrath in rural India is difficult to measure but public health experts are worried.

African nations had been counting on Serum Institute of India for nearly all their COVID vaccines. Now the company says it won't be sending any more for months. And African officials are scrambling.