NEW YORK, June 2, 2011 (GLOBE NEWSWIRE) -- Vical Incorporated (Nasdaq:VICL) today announced that Vijay B. Samant, President and Chief Executive Officer, will provide an overview of the company's technologies, development programs, and outlook on Thursday, June 9, at 11:00 a.m. EDT at the Jefferies 2011 Global Healthcare Conference (New York, June 6 – 9).