The F.D.A. may authorize booster shots of vaccines different from the ones that Americans originally received. The science behind the move is promising.
Tag: Johnson & Johnson
Moderna and J.& J. Boosters: What Are the Next Steps?
Further steps will be required at the F.D.A. and at the C.D.C., in a process that ends with the states.
Johnson & Johnson Seeks F.D.A. Approval for Covid Booster
The company said that a second shot of its vaccine about two months after the first significantly boosts protection to 94 percent against moderate to severe disease.
Moderna vs. Pfizer: Both Knockouts, but One Seems to Have the Edge
A series of studies found that the Moderna vaccine seemed to be more protective as the months passed than the Pfizer-BioNTech vaccine. Here’s why.
An Experimental H.I.V. Vaccine Fails in Africa
Researchers ended a large trial in South Africa after finding that an experimental vaccine offered little protection.
Biden Falls Short on U.S. Vaccine ‘Arsenal’ Pledge, Experts Say
Congress appropriated $16 billion to ramp up Covid-19 countermeasures, but a new report found that the Biden administration had spent very little of it on expanding vaccine manufacturing capacity.
Germany Will Offer Vaccine Booster Shots Starting in September
In rich countries, the momentum is growing for giving additional doses to the fully vaccinated, though many experts say the focus should be on getting first doses to people around the world.
F.D.A. Gives Approval for Emergent Vaccine Plant in Baltimore to Reopen
After a two-day inspection, the F.D.A. said operations could start again at the Emergent BioSolutions site where Johnson & Johnson doses were contaminated.
J&J Vaccine Shelf-Life Extended by F.D.A. to Six Months
The decision comes after state health officials were worried that doses of the company’s coronavirus shots would expire and go to waste.
J.&J. Vaccine May Be Less Effective Against Delta, Study Suggests
Many who received the shot may need to consider boosters, the authors said. But federal health officials do not recommend second doses.