Director of the U.S. Department of Homeland Security Center of Excellence for Emerging and Zoonotic Animal Diseases (CEEZAD), Professor J. Richt, DVM, Ph.D., to Present Programs to Reduce - Influenza Spread PHILADELPHIA, Aug. 20, 2013 (GLOBE NEWSWIRE) -- Hemispherx Biopharma (NYSE MKT:HEB) announced that one of its advanced stage biological products, Alferon N®, will be featured as part of a new...