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CDC extends mask requirement for travel

The Biden administration announced Wednesday that it is extending the nationwide mask requirement for public transit for 15 days as it monitors an uptick in COVID-19 cases.

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Do I need a second COVID-19 booster?

Not all experts agree on who needs a second booster, but those with underlying medical conditions might benefit the most as antibodies begin to wane.

US opens second COVID booster shot for 50 and up

There’s evidence protection can wane particularly in higher-risk groups, and for them another booster “will help save lives,” FDA vaccine chief Dr. Peter Marks said.

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