LEXINGTON, Mass., Oct. 25, 2017 /PRNewswire/ -- Agenus Inc. (NASDAQ: AGEN), an immuno-oncology company with a pipeline of immune checkpoint antibodies and cancer vaccines, announced today that the US Centers for Disease Control and Prevention's (CDC) Advisory Committee on Immunization Practices (ACIP) voted in favor of three recommendations for the use of Shingrix (Zoster Vaccine Recombinant, Adjuvanted) containing QS-21 Stimulon® for the prevention of shingles (herpes zoster):