www.ncbi.nlm.nih.gov › pmc › articlesVirosome-based nanovaccines; a promising bioinspiration and ... Jul 01, 2021 · Especial efforts should be put on virosome-based viral vaccine improvements and further tests to accelerate the approval process. Transvac 2 is a new virosomal vaccine designed against sarscov2 viruses that are in phase ?? clinical trials.The transvac 2 vaccine is an innovative compound expected to be helpful in the recent viral pandemic.