Safety and immunogenicity of heterologous versus homologous prime-boost schedules with an adenoviral vectored and mRNA COVID-19 vaccine (Com-COV): a single-blind, randomised, non-inferiority trial.
Lancet. 2021 Sep 4;398(10303):856-869. doi: 10.1016/S0140-6736(21)01694-9. Epub 2021 Aug 6.
Lancet. 2021.
PMID: 34370971
Free PMC article.
Clinical Trial.