EX-23 2 ex23-1.txt EXHIBIT 23.1 EXHIBIT 23.1.1 CONSENT OF INDEPENDENT REGISTERED ACCOUNTING FIRM Generex Biotechnology Corporation 33 Harbour Square Suite 202 Toronto, Ontario M5J 2G2 We hereby consent to the incorporation by reference in the Prospectus constituting a part of this Registration Statement on Form S-3 of our report dated September 22, 2003 relating to the consolidated financial statements of Generex Biotechnology Corporation, appearing in the Company's Annual Report on Form 10-K for the year ended July 31, 2003. We also consent to the reference to us under the caption "Experts" in the Prospectus. /s/ BDO Dunwoody LLP -------------------- Toronto, Ontario July 30, 2004