Smolenov I, Han HH, Li P, Baccarini C, et al. Impact of previous exposure to SARS-CoV-2 and of S-Trimer (SCB-2019) COVID-19 vaccination on the risk of reinfection: a randomised, double-blinded, placebo-controlled, phase 2 and 3 trial. Lancet Infect Dis 2022 Apr 18. pii: S1473-3099(22)00144.
PMID: 35447085