New Covid boosters look a lot like the old ones. Doctors worry that could lead to errors.

New Covid boosters look a lot like the old ones. Doctors worry that could lead to errors. Experts are concerned that the updated Covid boosters look too similar to previous versions of the vaccine, and people could receive the wrong dose in error. YahooNews

As updated Covid booster shots roll out across the nation, many experts are raising an eyebrow — and perhaps squinting at the label. That's because the new doses come in capped vials that look strikingly similar to the old ones.

It's a design decision, experts say, that could result in some people mistakenly receiving the wrong dose.

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