Exhibit 23.2

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

McLean, Virginia
November 8, 2000

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