PHILADELPHIA, April 30, 2012 (GLOBE NEWSWIRE) -- Hemispherx Biopharma, Inc. (NYSE Amex:HEB) (the “Company” or “Hemispherx”), announced that Ampligen®, an experimental immunotherapeutic, has been nasally administered in conjunction with FluMist® to healthy human volunteers in a study being conducted at the University of Alabama at Birmingham under the auspices of Dr. Paul Goepfert, Associate Professor of Medicine in the Division of Infectious Diseases and Director of the Alabama Vaccine Research Clinic.