WORCESTER, Mass., Nov. 16, 2007 (PRIME NEWSWIRE) -- Generex Biotechnology Corporation (NasdaqCM:GNBT - News), the leader in drug delivery for metabolic diseases through the inner lining of the mouth, announced today that it has made three podium presentations and one poster presentation at the 13th Latin-American Diabetes Congress and the 7th Cuban Diabetes Congress (http://www.alad2007.com) in Havana, Cuba, November 12-16, 2007.