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+--- Thread: U.S. study suggests vaccines may be ineffective against Omicron without booster (/Thread-U-S-study-suggests-vaccines-may-be-ineffective-against-Omicron-without-booster)
U.S. study suggests vaccines may be ineffective against Omicron without booster - theold - 21-04-2022
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.