Ward BJ, Makarkov A, Seguin A, Pillet S, et al. Efficacy, immunogenicity, and safety of a plant-derived, quadrivalent, virus-like particle influenza vaccine in adults (18-64 years) and older adults (>/=65 years): two multicentre, randomised phase 3 trials. Lancet 2020 Oct 13. pii: S0140-6736(20)32014.
PMID: 33065035