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While many Japanese adults are fully vaccinated, few have gotten a booster shot, which has been a vital protection from the highly contagious omicron variant.
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Researchers in the U.K. have the first estimates for how long a third shot of the Pfizer vaccine will last. The findings are mixed.
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The new recommendation for adolescents age 12-17 came hours after a panel of CDC advisers voted in favor of it. The boosters should be given five months after initial immunization.
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The move to shorten the Pfizer booster interval comes as the U.S. shatters daily case records. The recommended interval for those who received Moderna or Johnson & Johnson vaccines has not changed.
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Two studies that have not yet been peer reviewed indicate increased protection against the infectious omicron variant.
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Vaccines still do a solid job at warding off hospitalization from omicron. So if you're young and healthy, why get a booster? Scientists explain how boosters help and the best timing to get one.
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The FDA on Friday granted emergency use authorization for the Pfizer-BioNTech and Moderna booster shots. The boosters have already been available for people 65 and older and to high-risk adults.
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The Food and Drug Administration is expected to announce later this week that it is authorizing boosters for people 18 or older, even if they aren't at risk for severe disease.
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Does a booster shot mean that you can return to your old normal? Or is there still a newish kind of normal to face?
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Some experts worry "boostermania" is distracting from the goal of getting tens of millions of unvaccinated Americans their first shots.
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The recommendation applies to people 65 years and older, those 18 to 64 who are at high risk of severe COVID and those whose work or institutional exposure puts them at high COVID risk.
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Should people who get a COVID booster get a different vaccine from their original shot? The results of a highly anticipated study suggest that in some cases the answer may be yes.