Biopharma happenings in Asia-Pacific, such as deals and partnerships, grants, preclinical data and other news in brief: Arrowhead, Ascletis, Astellas, Beijing Xuansheng, Biocytogen, Biogen, Bridge, Celsion, Codiak, Comera, Ctm, Finch, Gilead Sciences, Hainan Sihuan, Immvira, Intas, Janssen, Legend Biotech USA, Pfizer, Roche, Samsung, Selva, Shaperon, Sihuan, Takeda, Tonix, Visirna.