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Booster Dose

U.S. health authorities are facing a critical decision: whether to offer new COVID-19 booster shots this fall that are modified to better match recent changes of the shape-shifting coronavirus.

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A third shot of the children's dose of Pfizer/BioNTech's Covid-19 vaccine raised Omicron-fighting antibodies by 36 times in kids 5 through 11 years of age, the companies said in a news release Thursday. The companies plan to request emergency use authorization from the US Food and Drug Administration for a booster dose for this age group.

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FRIDAY, Jan. 28, 2022 (HealthDay News) -- Receipt of three doses of an mRNA COVID-19 vaccine is associated with protection against delta and omicron compared with being unvaccinated and receipt of two doses, according to a study published online Jan. 21 in the Journal of the American Medical Association.

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