Press release - 07/01/2021 CureVac and Bayer join forces on COVID-19 vaccine candidate CVnCoV Bayer has signed a collaboration and services agreement with CureVac, a biopharmaceutical company developing a new class of transformative medicines based on messenger ribonucleic acid. Under the terms of the agreement, Bayer will support the further development, supply and key territory operations of CureVac´s COVID-19 vaccine candidate CVnCoV.