Cite
MLA Citation
Karin Hardt et al.. “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, vol. 22, no. 12, 2022, pp. 1703–1715. http://access.bl.uk/ark:/81055/vdc_100170104254.0x000028