Exhibit 23.1

            CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the incorporation by reference in this Registration
Statement on Form S-3 of our report dated February 17, 2004 relating to the
financial statements, which appears in SIGA Technologies, Inc.'s Annual Report
on Form 10-KSB for the year ended December 31, 2003. We also consent to the
reference to us under the heading "Experts" in such Registration Statement.


/s/ PricewaterhouseCoopers LLP
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PricewaterhouseCoopers LLP
New York, New York
November 23, 2004