Biopharma happenings, including deals and partnerships, grants, preclinical data and other news in brief: Abbvie, AGTC, Altimmune, Asalyxa, Bioage, Brainstorm Cell, Cabaletta, Carisma, Contrafect, Cyclerion, Elixiron, Intravacc, Mediwound, Merck, Morphic, Otsuka, Oxford, Proteus, PT Bio, Sinovac, Starpharma, Sutro, Therapyx, Vektor, Vericel, Xphyto.