SAN DIEGO, Nov. 2, 2012 (GLOBE NEWSWIRE) -- Vical Incorporated (Nasdaq:VICL) today announced the appointment of Mammen P. “Anza” Mammen, Jr., M.D., as Vice President, Clinical Vaccines. Prior to joining Vical, Dr. Mammen completed a 21-year career in the Army’s Medical Corps, retiring as a colonel and recipient of the Legion of Merit. His experiences have spanned the areas of clinical medicine, infectious disease research, medical diplomacy, clinical trials, vaccine program management, and public health.