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 Potentially Reduce Pandemic Influenza Spread PHILADELPHIA, Sept. 4, 2013 (GLOBE NEWSWIRE) -- Hemispherx Biopharma, Inc. (NYSE MKT: HEB) announced that one of its advanced stage biological products, Alferon N Injection®, will be featured as...