Exhibit 24
POWER OF ATTORNEY
For Executing Forms 3, 4 and 5

Know all persons by these presents, that the undersigned hereby constitutes
and appoints Len Stigliano as his true and lawful attorney-in-fact to:

(1)  prepare and/or execute for and on behalf of the undersigned, in the
undersigned's capacity as an officer and/or director of Novavax Inc. (the
"Company"), Forms 3, 4 and 5 to report transactions in the Company's
securities reportable by the undersigned in accordance with the provisions
of Section 16(a) of the Securities Exchange Act of 1934, as amended and
the rules and regulations promulgated thereunder;

(2)  do and perform any and all acts for and on behalf of the undersigned
which may be necessary or desirable to complete the preparation and
execution of any such Form 3, 4 or 5, and any amendment thereto, and
the timely filing of any such Form 3, 4 or 5, and any amendment thereto,
with the United States Securities and Exchange Commission and any other
authority, it being understood that the documents executed by such
attorney-in-fact on behalf of the undersigned pursuant to this Power of
Attorney shall be in such form and shall contain such terms and conditions
as such attorney-in-fact may approve in his or her discretion; and

(3)  resign as attorney-in-fact and appoint, as a replacement
attorney-in-fact,any executive officer at the time of such resignation;
provided that such resigning and replacement attorneys-in-fact shall
send notice to the undersigned of any such replacement.  The
undersigned hereby grants to each such attorney-in-fact full power
and authority to do and perform alland every act and thing whatsoever
requisite, necessary and proper to be done in the exercise of any of
the rights and powers herein granted, as fully to all intents and purposes
as the undersigned might or could do if personally present, with full
power of substitution or revocation,hereby ratifying and confirming all
that such attorney-in-fact, or anyreplacement attorney-in-fact, shall
lawfully do or cause to be done by virtue of this Power of Attorney
and the rights and powers herein granted. The undersigned acknowledges
that the foregoing attorneys-in-fact, and any replacement
attorneys-in-fact, in serving in such capacity at the request of
the undersigned, are not assuming, nor is the Company assuming,
any of the undersigned's responsibilities to comply with Section 16
of the Securities Exchange Act of 1934, as amended or the rules and
regulations promulgated thereunder.

This Power of Attorney shall remain in full force and effect until
the undersigned is no longer required to file Forms, 3, 4 and 5 with
respect to the undersigned's holdings of and transactions in securities
issued by the Company, unless earlier revoked by the undersigned in a
signed writing delivered to the foregoing attorneys-in-fact.

IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney
to be executed as of this 12th day of June, 2008.

/s/Thomas Johnston
Signature

Thomas Johnston
Print Name