Generex Biotechnology Corporation engages in the research, development, and commercialization of drug delivery systems and technologies for metabolic and immunological diseases. It develops a proprietary platform technology for the delivery of drugs into the human body through the oral cavity. In August 2003, Generex acquired Antigen Express, Inc. Antigen Express is a platform and product-based company developing proprietary vaccine formulations for large, unmet medical needs.

Acquired Companies: Antigen Express, Inc.