Two National Health Service workers with long histories of severe allergies received the Pfizer, BioNTech coronavirus vaccine Tuesday. Both are now recovering after bad reactions to the dose.

Georgia expects to receive several hundred thousand doses of COVID vaccines this month for its initial distribution, the state Public Health commissioner said Tuesday.

The first groups to get shots will be health care workers and residents and staff of long-term care facilities, said the commissioner, Dr. Kathleen Toomey, at a news conference at the state Capitol.

Some Americans say they don't want to be vaccinated against the coronavirus. NPR's Ari Shapiro talks with the Ad Council's CEO about public health messaging and ways to reach vaccine skeptics.

Mass vaccinations will start less than a week after the U.K. approved the new drug. Welsh First Minister Mark Drakeford says it could start "a long path back to normality."

Experts say low-risk people in the U.S. will likely be immunized before many high-risk people in poor countries.

A British regulatory agency approved the Pfizer/BioNTech vaccine Wednesday. It could be dispersed within days to the neediest people, government officials said.

Heidi Larson, the director of the Vaccine Confidence Project, has travelled the world studying vaccine misinformation. Simply put, she says, a bad vaccine is "not in anyone's interest."

Moncef Slaoui, the chief scientific adviser for Operation Warp Speed, says that some Americans could start receiving a COVID-19 vaccine by the second week of December.

PBS Newshour correspondent John Yang reflects on his experience participating in Moderna's coronavirus vaccine trial. "It started off with self-interest — I wanted to get the vaccine sooner," he says.

Albert Bourla, head of the pharmaceutical giant, discusses plans for distributing its vaccine, which it says is 95% effective, and explains the timing of his $5.6 mllion sale of Pfizer stock.

Hundreds of thousands of people in China have already received this vaccine. Now, preliminary trials are showing promising results, although it's too early to say whether it can prevent disease.

Doctors at Emory University on Monday celebrated the news from biotech company Moderna that its COVID-19 vaccine is 94.5% effective, saying the breakthrough is a historic day for science and that the next frontier will be to convince Americans to take it when the vaccine becomes available.

Although the leading vaccine candidates are not yet officially approved, the drug companies are administering them to hundreds of thousands of people.

Wealthy countries have a strategy to secure doses of any forthcoming vaccines. And that's creating a problem for lower-income nations.

Facebook's goal is to help messages about the safety and efficacy of vaccines reach a broad group of people, while prohibiting ads with misinformation that could harm public health efforts.