Genocea Biosciences is a biopharmaceutical company that develops novel vaccines and immunotherapies to treat infectious diseases. The company uses its proprietary discovery platform AnTigen Lead Acquisition System to design vaccines and immunotherapies that act through T cell immune responses. Its lead product candidate is GEN-003, a therapeutic vaccine or immunotherapy that is in Phase 2 trial for the treatment of genital herpes infections. Founded in 2006, it is headquartered in Cambridge, Massachusetts.