Exhibit 23.1
Consent of Independent Registered Public Accounting Firm
We consent to the incorporation by reference in this Amendment No. 1 to this Registration Statement on Form S-1 (No. 333-229051) of Hemispherx Biopharma, Inc. of our report dated March 30, 2018, relating to the consolidated financial statements of Hemispherx Biopharma, Inc. and subsidiaries, appearing in the Annual Report on Form 10-K of Hemispherx Biopharma, Inc. for the year ended December 31, 2017.
We also consent to the reference to our firm under the heading “Experts” in such Prospectus, which is a part of this Registration Statement.
/s/ RSM US LLP
Blue Bell, Pennsylvania
February 6, 2019
