WORCESTER, MA -- (MARKET WIRE) -- April 24, 2007 -- Generex Biotechnology Corporation (NASDAQ: GNBT), the leader in drug delivery for metabolic diseases through the inner lining of the mouth, announced today that it will be making three poster presentations at the 2nd International Congress on “Prediabetes” and the Metabolic Syndrome: Epidemiology, Management and Prevention of Diabetes and Cardiovascular Disease (www.kenes.com/prediabetes) in Barcelona, Spain, April 25 - 28, 2007.