PORTLAND, OR--(Marketwire - June 09, 2008) - AVI BioPharma, Inc. (NASDAQ: AVII) today announced that Patrick Iversen, Ph.D., AVI’s Senior Vice President of Strategic Alliances, will make the opening presentation of the Pre-Conference Symposium to the 6th Annual Biodefense Vaccines & Therapeutics Meeting to be held June 9-11, 2008 in Washington, D.C. The Symposium is titled “Developments in Biodefense Vaccines & Therapeutics” and Dr. Iversen’s presentation is “Multiple Phosphorodiamidate Morpholino Oligomer Approaches to Developing Antiviral Therapeutics.”