Explainer: Updated COVID-19 vaccines are coming in the U.S., should you get one? The United States plans to roll out an updated COVID-19 booster vaccine to include Omicron subvariants of the coronavirus. Regulators are reviewing the shots and could give the go-ahead as soon as next week. Ahmed Aboulenein,Julie Steenhuysen Reuters

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Government health officials say the boosters are needed because immunity wanes over time and the vaccines help prevent serious disease and death.

Several experts said they do not expect the updated vaccines to be game changing and urged public health officials not to overstate their benefits. ...