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EXHIBIT 23.1
CONSENT OF ERNST & YOUNG, LLP, INDEPENDENT AUDITORS
We consent to the incorporation by reference in the Registration Statement (Form
S-8) pertaining to the 2000 Equity Incentive Plan of Avigen, Inc. of our report
dated August 6, 1999, with respect to the financial statements of Avigen, Inc.
included in its Annual Report on (Form 10-K) for the year ended June 30, 1999,
filed with the Securities and Exchange Commission.
/s/ Ernst & Young LLP
Palo Alto, California
July 21, 2000
