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Efficacy, safety, and immunogenicity of a booster regimen of Ad26.COV2.S vaccine against COVID-19 (ENSEMBLE2): results of a randomised, double-blind, placebo-controlled, phase 3 trial.
Hardt K, Vandebosch A, Sadoff J, Le Gars M, Truyers C, Lowson D, Van Dromme I, Vingerhoets J, Kamphuis T, Scheper G, Ruiz-Guiñazú J, Faust SN, Spinner CD, Schuitemaker H, Van Hoof J, Douoguih M, Struyf F; ENSEMBLE2 study group. Hardt K, et al. Lancet Infect Dis. 2022 Dec;22(12):1703-1715. doi: 10.1016/S1473-3099(22)00506-0. Epub 2022 Sep 13. Lancet Infect Dis. 2022. PMID: 36113538 Free PMC article. Clinical Trial.