Exhibit 23.1

Hemispherx Biopharma, Inc.
Philadelphia, Pennsylvania

We hereby consent to the use in the Prospectus constituting a part of this
Registration Statement on Form S-1 of our report dated March 13, 2003, except
for Note 12, which is as of March 31, 2003, relating to the consolidated
financial statements of Hemispherx Biopharma, Inc. and subsidiaries which is
contained in that prospectus.

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

/s/ BDO Seidman, LLP
- --------------------
BDO Seidman, LLP
Philadelphia, Pennsylvania

December 12, 2003