Exhibit 23.2

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the incorporation by reference in the Prospectus
constituting a part of this Registration Statement on Form S-3 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 included in Hemispherx Biopharma,
Inc.'s Registration Statement on Form S-1 (File No. 333-117178). We also audited
Schedule II - Valuation and Qualifying Accounts of Interferon Sciences, Inc. 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
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Eisner LLP

New York, New York
September 8, 2004