Intense research into the new coronavirus variant first identified in southern Africa has just begun. World leaders have urged people not to panic — and to get vaccinated, if they can.
Tag: Immune System
Will the Covid Vaccines Stop Omicron? Scientists Are Racing to Find Out.
A “Frankenstein mix” of mutations raises concerns, but the variant may remain vulnerable to current vaccines. If not, revisions will be necessary.
Mix-and-Match Covid Boosters: Why They Just Might Work
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.
What Scientists Know About the Risk of Breakthrough Covid Deaths
Deaths among people who have been fully vaccinated remain rare, but older adults and those with compromised immune systems are at much higher risk.
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.