If you're not one of the 7.6 million Americans who have already gotten the updated omicron-specific Covid booster, you might still be debating one key question: When should I get it? Experts say most ...

Moncef Slaoui, the former head of the Trump administration's Operation Warp Speed, says he's "cautiously optimistic" about how well existing vaccines will hold up against omicron, the latest ...

The U.S. Food and Drug Administration is yet to authorize the two modified boosters, for which applications were submitted ...

The race is on for new treatments that stand up to omicron's explosive spread. With omicron's explosive spread threatening to outpace current COVID-19 treatments, the race is on to find new options ...

COVID-19 antibody drugs from Regeneron and Eli Lilly should no longer be used because they don't work against the omicron variant that now accounts for nearly all U.S. infections, U.S. health ...

Dec 14 (Reuters) - The Omicron coronavirus variant has been detected in 77 countries since it was first identified three weeks ago, fueling concerns that its large number of mutations will help it ...