Johnson & Johnson shared data from its Phase 3 trial of the company's booster shot on Tuesday. The data showed a booster shot at six months provided a 12-fold increase in antibodies.
Pfizer and BioNTech say that early trial results show their vaccine established a strong antibody response against the coronavirus. FDA review is still needed.
History has shown that it's possible to pause war and conflict to distribute lifesaving vaccines for diseases such as Guinea worm and smallpox. Can the world do the same for the COVID-19 vaccine?
Pastor Danny Reeves encouraged some members of his congregation to get the COVID-19 vaccine, but thought he didn't need to get vaccinated himself. That changed after COVID-19 almost killed him.
The health ministry said contamination was reported from multiple vaccination sites. The news raises concern of a supply shortage as Japan tries to accelerate vaccinations amid a surge in cases.
Pfizer and BioNTech's COVID-19 vaccine has been given full approval by the Food and Drug Administration. Along with that approval process is the companies' new brand name for the vaccine: Comirnaty.
An open letter from 175 experts to President Biden made the ask. "We're not trying to be unreasonable," explains Dr. Paul Farmer, one of the signers. "We're trying to be optimistic and audacious."
In a previous "Coronavirus FAQ," we looked at the medical, practical — and ethical — implications of lying to get a booster or a shot for a kid under 12. And we asked you to share your views.
A judge's preliminary injunction allows Norwegian Cruise Line to require customers to show vaccination against COVID-19 before boarding, despite a Florida law banning such requirements by businesses.
Some people have reported getting a lighter or heavier period after getting a COVID-19 vaccine. Cause for concern? Doctors say no. Could it be a temporary side effect? That's harder to determine.
The pandemic has hurt even routine health services such as vaccines and checkups, as well as immunization outreach, for children around the world, the World Health Organization and UNICEF report.
They have to figure out how to distribute the vaccines — and keep their citizens interested in getting their jab — without knowing when supplies will arrive.
The beleaguered nation is seeing a surge. The lack of testing means it's difficult to know the extent. One doctor says his Facebook feed is 30% to 40% of notices about those who died of the virus.
The Serum Institute began mass-producing COVID vaccines even before approval. They've made millions of doses. But so far only about 4% of people in India are fully vaccinated. What went wrong?
A World Health Organization representative just advised wearing masks after vaccination. The CDC has a different perspective. We asked public health specialists to weigh in.
Here's what we know about the effectiveness of vaccines for variants of concerns, notably the delta variant, first identified in India and now responsible for more than 20% of new U.S. cases.
President Biden pledged the U.S. will donate 500 million doses of the Pfizer vaccine globally. "Our values call on us to do everything that we can to vaccinate the world against COVID-19," he said.
On the first European trip of his presidency, Biden will announce a major U.S. contribution to the global vaccine effort — part of an effort to end COVID-19 "everywhere."
Officials have pleaded with tech giants to keep the documents off their sites, but Amazon briefly had blank vaccination cards for sale this week. They could land their bearers in prison.
A Skagit Valley Chorale rehearsal early last year became a deadly COVID-19 superspreader event. Now, the group is figuring out how to come back together and reforge the bonds of a community choir.
Scientists around the world are working on a way to inject vaccines painlessly. The trick is to make the needles so small. they don't interact with the nerve endings that signal pain.
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.
