Year 2022 This is their published work on the universal vaccine of the covid 19.
A mosaic sarbecovirus nanoparticle protects against SARS-2 and SARS-1, whereas a SARS-2 nanoparticle only protects against SARS-2.
Mosaic RBD nanoparticles protect against challenge
Posted in biotech/medical, nanotechnology