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  1. Jun 25, 2022 · Omicron-adapted monovalent candidate given as a fourth booster dose elicited a 13.5 and 19.6-fold increase in neutralizing geometric titers against Omicron BA.1 at 30 µg and 60 µg dose levels; bivalent vaccine candidate exhibited a 9.1 and 10.9-fold increase against Omicron Geometric mean ratios for Omicron neutralizing antibody response consistent with regulatory requirement of superiority ...

  2. May 20, 2021 · Early distribution of two mRNA COVID-19 vaccines (Pfizer-BioNTech and Moderna) to HCP allowed assessment of the effectiveness of these vaccines in a real-world setting. A test-negative case-control study is underway to evaluate mRNA COVID-19 vaccine effectiveness (VE) against symptomatic illness among HCP at 33 U.S. sites across 25 U.S. states.

  3. The Pfizer–BioNTech COVID-19 vaccine, sold under the brand name Comirnaty, [2] [32] is an mRNA-based COVID-19 vaccine developed by the German biotechnology company BioNTech. For its development, BioNTech collaborated with the American company Pfizer to carry out clinical trials, logistics, and manufacturing. [44] [45] It is authorized for use ...

  4. Aug 23, 2022 · Updated analysis from 34 cases occurring at least seven days following a three-dose regimen showed 73.2% vaccine efficacy among children ages 6 months through 4 years The vaccine efficacy remained consistently above 70% in both the 6 through 23 months and the 2 through 4 years age groups Sequencing of observed COVID-19 cases confirmed majority were caused by Omicron BA.2, broadening the ...

  5. May 5, 2021 · Published May 5, 2021 Updated May 7, 2021. The Pfizer-BioNTech coronavirus vaccine is extraordinarily effective at protecting against severe disease caused by two dangerous variants, according to ...

  6. Sep 22, 2021 · Although they may be manufactured in different facilities, the products offer the same safety and effectiveness. COMIRNATY (COVID-19 Vaccine, mRNA) is an FDA-approved COVID-19 vaccine made by Pfizer for BioNTech. It is approved as a 2-dose series for prevention of COVID-19 in individuals 16 years of age and older.

  7. Jan 12, 2022 · Tenforde MW, Self WH, Naioti EA, et al. Sustained effectiveness of Pfizer-BioNTech and Moderna vaccines against COVID-19 associated hospitalizations among adults — United States, March–July 2021.

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