Moderna submitted data from 344 volunteers who got a third shot of the vaccine six months after their first two doses. The additional shot significantly boosted immunity, the company said.
About 14 million U.S. residents got their first dose of a COVID-19 shot in August, which is about 4 million more than in July. Officials credit vaccine mandates by governments, schools and businesses.
The number of doses delivered so far puts the U.S. ahead of every other country making donations, but global health experts caution that many millions more are needed to vanquish the pandemic.
The African country, previously credited for high childhood vaccination rates, was 1 of 4 countries to reject COVID vaccines. Now they've done a 180. It's unclear if its citizens will go along.
President Biden wanted 70% of adults to get their first COVID-19 shot by July Fourth. America won't quite reach that milestone. But the White House isn't letting that get in the way of a good party.
The challenge of refrigerating COVID-19 vaccines is acute in sub-Saharan Africa, where only 28% of health care facilities have reliable power. One solution? A new kind of freezer powered by the sun.
The latest news about donated vaccines and cash aid for low-resource countries seems encouraging. But here's what vaccine experts are saying about supply and demand.
Despite deaths and high infection rates, the parts of Ohio where the Amish live have the state's lowest vaccination rates. Most Amish aren't getting vaccinated; the few who do aren't open about it.
In a statement on Tuesday, U.S. authorities said they are "reviewing data involving six reported U.S. cases of a rare and severe type of blood clot in individuals after receiving the J&J vaccine."
Government health officials are recommending a "pause" in vaccinations with the Johnson & Johnson COVID-19 vaccine. We're answering your questions as we learn more.
India is the world's largest vaccine producer. But hundreds of its clinics have closed after running out of vaccine — just as the country sees a new spike in infections.
Just because you are eligible to get vaccinated doesn’t mean it’s easy. In rural areas and in cities, there are still obvious, and not so obvious, barriers to vaccine access. So what about taking vaccines on the road?
