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Exhibit 23.2.1
CONSENT OF INDEPENDENT ACCOUNTANTS
We hereby consent to the incorporation by reference in this Registration
Statement on Form S-3 of our report dated March 30, 2000 relating to the
consolidated financial statements, which appears in Antex Biologics Inc.'s
Annual Report on Form 10-KSB for the year ended December 31, 1999. 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
McLean, Virginia
January 16, 2001
