LIMITED POWER OF ATTORNEY FOR
SECTION 16 REPORTING OBLIATIONS





Know all by these presents, that the undersigned hereby constitutes
and
appoints each of Kenneth C. Frazier, Celia A. Colbert, Debra A.
Bollwage
and Jon Filderman, signing singly, the undersigned’s true
and lawful
attorney-in-fact to:

(1)	execute for and on behalf of
the undersigned,
in the undersigned’s capacity as an officer of
Merck & Co., Inc. (the
"Company"), Forms 3, 4 and 5 in accordance with
Section 16(a) of the
Securities Exchange Act of 1934 and the rules
thereunder;

(2)	do and
perform any and all acts for and on behalf
of the undersigned which may be
necessary or desirable to complete and
execute any such Forms 3, 4 or 5,
complete and execute any amendment or
amendments thereto, and timely file
such form with the United States
Securities and Exchange Commission and any
stock exchange or similar
authority; and

(3)	take any other action of
any type whatsoever in
connection with the foregoing which, in the opinion
of such
attorney-in-fact, may be of benefit to, in the best interest of, or

legally required by, the undersigned, 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
such
attorney-in-fact’s discretion.

The undersigned hereby
grants to
each such attorney-in-fact full power and authority to do and
perform any
and every act and thing whatsoever requisite, necessary, or
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 such
attorney-in-fact’s substitute or
substitutes, 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, 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.


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 17th day of June, 2005.






						Willie A. Deese






s/Deese POA