UK Biobank said it will seek to recall downloads after a health data breach in which researchers’ data were advertised for sale, including on a Chinese e-commerce platform. The group said it will attempt to obtain assurances that information previously downloaded has been deleted from local servers. The incident comes after UK Biobank experienced a major trust breach when genomic and health/lifestyle data from about 500,000 participants were listed for sale following a security compromise. The recall effort reflects heightened pressure on biobanks to demonstrate end-to-end data governance and access controls. For biotech and research sponsors, the episode underscores supply-chain and compliance risks in data access models, particularly for datasets used in drug discovery and clinical research.