Exhibit 23.2


CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

      We hereby consent to the inclusion in this Registration Statement on Form
S-1 of Hemispherx Biopharma, Inc. of our reports dated March 18, 2004 and June
10, 2003, on our audits of Interferon Sciences, Inc. and subsidiary's
consolidated financial statements as of December 31, 2003 and 2002 and for each
of the years in the three-year period ended December 31, 2003. We also audited
Schedule II -- Valuation and Qualifying Accounts for the years ended December
31, 2003, 2002 and 2001.

We also consent to the reference to us under the caption "Experts" in the
Prospectus.


S/Eisner LLP
- ------------
Eisner LLP

New York, New York
July 2, 2004