Exhibit 23.1
CONSENT
OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We have issued our report dated March 12, 2007 (which
report expresses an unqualified opinion and includes an
explanatory paragraph relating to the application of Statement
of Financial Accounting Standards No. 123(R) as of
December 31, 2006), accompanying the consolidated financial
statements and management’s assessment of the effectiveness
of internal control over financial reporting included in the
Annual Report of Novavax, Inc. and Subsidiary on
Form 10-K
for the year ended December 31, 2006. We hereby consent to
the incorporation by reference of said report in the
Registration Statements of Novavax, Inc. and Subsidiary on
Forms S-3
(File
No. 333-138893,
effective December 11, 2006;
No. 333-130568
effective December 21, 2005;
No. 333-118210
effective August 13, 2004;
No. 333-118181
effective August 12, 2004; and
No. 333-22685
effective March 4, 1997) and on
Forms S-8
(File
No. 33-80277
effective December 11, 1995;
No. 33-80279
effective December 11, 1995;
No. 333-130990
effective January 12, 2006;
No. 333-110401
effective November 12, 2003;
No. 333-97931
effective August 9, 2002;
No. 333-46000
effective September 18, 2000 and File
No. 333-77611,
effective May 3, 1999).
Philadelphia, Pennsylvania
March 12, 2007