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Full Version: U.S. study suggests vaccines may be ineffective against Omicron without booster
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NEW YORK, Dec 14 (Reuters) - All three U.S.-authorized COVID-19 vaccines appear to be significantly less protective against the newly-detected Omicron variant of the coronavirus in laboratory testing, but a booster dose likely restores most of the protection, according to a study released on Tuesday.


https://www.reuters.com/business/healthc...021-12-14/