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HARVARD Citation
Hardt, K. et al. (2022). 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. Lancet infectious diseases. 22 (12), pp. 1703-1715. [Online].