Deaths among people who have been fully vaccinated remain rare, but older adults and those with compromised immune systems are at much higher risk.
Tag: Immune System
What the Future May Hold for the Coronavirus and Us
Viral evolution is a long game. Here’s where scientists think we could be headed.
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.
Study of Covid Booster Shot Benefits Fans Debate Over Extra Doses
Independent experts, including government scientists, were skeptical of the research from Israel, which included limited data over a short period.
Most People Don’t Need a Covid Vaccine Booster, New Review Says
The benefits of a third shot for most people are small and are far outweighed by the benefits of using those doses for initial vaccinations, the scientists say.
Covid Booster Shots Beginning in Several Nations
The Czech Republic joins several countries to say it will recommend extra shots, while much of the world remains unvaccinated.
Vaccine Effectiveness Against Infection May Wane, C.D.C. Studies Find
Federal health officials said the new data justified a campaign of booster shots. But some scientists disagreed, saying not every American needs another dose.
Breakthrough Infections and the Delta Variant: What to Know
Scientific understanding of the coronavirus variant is changing quickly. Here’s a recap of the most important findings.
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.
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.