<SEC-DOCUMENT>0001193125-07-052237-index.html : 20080128
<SEC-HEADER>0001193125-07-052237.hdr.sgml : 20080128

<ACCEPTANCE-DATETIME>20070312163029

<PRIVATE-TO-PUBLIC>

ACCESSION NUMBER:		0001193125-07-052237

CONFORMED SUBMISSION TYPE:	DEF 14A

PUBLIC DOCUMENT COUNT:		16

CONFORMED PERIOD OF REPORT:	20070424

FILED AS OF DATE:		20070312

DATE AS OF CHANGE:		20080125

EFFECTIVENESS DATE:		20070312


FILER:


	COMPANY DATA:	

		COMPANY CONFORMED NAME:			MERCK & CO INC

		CENTRAL INDEX KEY:			0000064978

		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]

		IRS NUMBER:				221109110

		STATE OF INCORPORATION:			NJ

		FISCAL YEAR END:			1231



	FILING VALUES:

		FORM TYPE:		DEF 14A

		SEC ACT:		1934 Act

		SEC FILE NUMBER:	001-03305

		FILM NUMBER:		07687951



	BUSINESS ADDRESS:	

		STREET 1:		ONE MERCK DR

		STREET 2:		P O BOX 100

		CITY:			WHITEHOUSE STATION

		STATE:			NJ

		ZIP:			08889-0100

		BUSINESS PHONE:		9084231688



	MAIL ADDRESS:	

		STREET 1:		ONE MERCK DR

		STREET 2:		PO BOX 100 WS3AB-05

		CITY:			WHITEHOUSE STATION

		STATE:			NJ

		ZIP:			08889-0100



</SEC-HEADER>

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<SEQUENCE>1
<FILENAME>ddef14a.htm
<DESCRIPTION>DEFINITIVE PROXY STATEMENT
<TEXT>
Document 1 - file: ddef14a.htm

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Document 3 - file: g75148g05y69.jpg

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Document 4 - file: g75148g20h66.jpg

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<FILENAME>g75148g21n51.jpg
<DESCRIPTION>GRAPHIC
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Document 5 - file: g75148g21n51.jpg

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Document 6 - file: g75148g27z25.jpg

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Document 7 - file: g75148g32m12.jpg

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Document 8 - file: g75148g38g16.jpg

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Document 9 - file: g75148g41r53.jpg

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Document 10 - file: g75148g42n65.jpg

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Document 11 - file: g75148g53i63.jpg

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Document 12 - file: g75148g72m12.jpg

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Document 13 - file: g75148g91a68.jpg

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Document 14 - file: g75148g93u87.jpg

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<FILENAME>g75148img001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 15 - file: g75148img001.jpg

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<FILENAME>g75148img002.jpg
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Document 16 - file: g75148img002.jpg

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<TYPE>COVER
<SEQUENCE>17
<FILENAME>filename17.htm
<TEXT>
Document 17 - file: filename17.htm

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