Covid-19 Vaccine Effectiveness against the Omicron (B.1.1.529) Variant

Andrews, Nick; Stowe, Julia; Kirsebom, Freja; Toffa, Samuel; Rickeard, Tim; Gallagher, Eileen; Gower, Charlotte; Kall, Meaghan; Groves, Natalie; O’Connell, Anne-Marie; Simons, David; B. Blomquist, Paula; Zaidi, Asad; Nash, Sophie; Iwani Binti Abdul Aziz, Nurin; Thelwall, Simon; Dabrera, Gavin; Myers, Richard; Amirthalingam, Gayatri; Gharbia, Saheer; C. Barrett, Jeffrey; Elson, Richard; N. Ladhani, Shamez; Ferguson, Neil; Zambon, Maria; N.J. Campbell, Colin; Brown, Kevin; Hopkins, Susan; Chand, Meera; Ramsay, Mary; Lopez Bernal, Jamie

doi:10.1056/nejmoa2119451

Public

Covid-19 Vaccine Effectiveness against the Omicron (B.1.1.529) Variant

Published in New England Journal of Medicine • Mar 2, 2022

Authors:

Nick Andrews

Julia Stowe

Freja Kirsebom

Abstract

BACKGROUND: A rapid increase in coronavirus disease 2019 (Covid-19) cases due to the omicron (B.1.1.529) variant of severe acute respiratory syndrome coronavirus 2 in highly vaccinated populations has aroused concerns about the effectiveness of current vaccines. METHODS: We used a test-negative case...

Subject

Medicine

Booster (rocketry)

Immunization

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