Flagship Pioneering, the bioplatform innovation company, unveiled Prologue Medicines, a company unlocking the therapeutic potential of the viral proteome for the creation of powerful new medicines. Flagship has initially committed $50 million to advance the company's Decoding Evolutionary Logic of Variant Ensembles (DELVE)™ Platform and harness its power to develop a pipeline of medicines for a wide range of diseases, with an initial focus in immunological, oncology and metabolic indications.