EXHIBIT 23.1 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We consent to the incorporation by reference in this Registration Statement on Form S-3 of our reports dated June 9, 2005, relating to the financial statements of Immtech International, Inc. (a developmental stage enterprise) and subsidiaries (the "Company"), and management's report on the effectiveness of internal control over financial reporting appearing in and incorporated by reference in the Annual Report on Form 10-K of the Company for the year ended March 31, 2005 and to the reference to us under the heading "Experts" in the Prospectus, which is part of this Registration Statement. /s/ Deloitte & Touche LLP - ------------------------- Milwaukee, Wisconsin January 11, 2006