EX-23.1 4 v99682orexv23w1.txt EXHIBIT 23.1 EXHIBIT 23.1 CONSENT OF ERNST & YOUNG LLP, INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We consent to the incorporation by reference in the Registration Statement (Form S-8) pertaining to the Targeted Genetics Corporation 1999 Stock Option Plan, of our report dated February 13, 2004, with respect to the consolidated financial statements of Targeted Genetics Corporation included in its Annual Report (Form 10-K) for the year ended December 31, 2003, filed with the Securities and Exchange Commission. /s/ ERNST & YOUNG LLP Seattle, Washington June 17, 2004