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Booster Shot

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WELLINGTON, New Zealand (AP) — New Zealand is among the few remaining countries to have avoided any outbreaks of the omicron variant — but Prime Minister Jacinda Ardern said Thursday an outbreak was inevitable and the nation would tighten restrictions as soon as one was detected.

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FRIDAY, Jan. 7, 2022 (HealthDay News) -- Citing the rapid spread of the omicron variant and the need for protection against it, U.S. federal health officials are shortening the recommended time between the second dose of the Moderna vaccine and a booster shot from six months down to five.

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Biotechnology company Moderna announced Monday that preliminary data suggests its half-dose booster shot increased antibody levels against Omicron compared with the levels seen when a fully vaccinated person does not receive a booster -- and a larger-sized dose of the booster increases antibody levels even more.

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