<SEC-DOCUMENT>0000950123-08-002272-index.html : 20080731
<SEC-HEADER>0000950123-08-002272.hdr.sgml : 20080731

<ACCEPTANCE-DATETIME>20080228164133

<PRIVATE-TO-PUBLIC>

ACCESSION NUMBER:		0000950123-08-002272

CONFORMED SUBMISSION TYPE:	10-K

PUBLIC DOCUMENT COUNT:		18

CONFORMED PERIOD OF REPORT:	20071231

FILED AS OF DATE:		20080228

DATE AS OF CHANGE:		20080617


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:		10-K

		SEC ACT:		1934 Act

		SEC FILE NUMBER:	001-03305

		FILM NUMBER:		08651190



	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>

<DOCUMENT>
<TYPE>10-K
<SEQUENCE>1
<FILENAME>y44547e10vk.htm
<DESCRIPTION>FORM 10-K
<TEXT>
Document 1 - file: y44547e10vk.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-10.10
<SEQUENCE>2
<FILENAME>y44547exv10w10.htm
<DESCRIPTION>EX-10.10: SPECIAL SEPARATION PROGRAM FOR "SEPARATED" EMPLOYEES
<TEXT>
Document 2 - file: y44547exv10w10.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-10.11
<SEQUENCE>3
<FILENAME>y44547exv10w11.htm
<DESCRIPTION>EX-10.11: SPECIAL SEPARATION PROGRAM FOR "BRIDGED" EMPLOYEES
<TEXT>
Document 3 - file: y44547exv10w11.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-10.12
<SEQUENCE>4
<FILENAME>y44547exv10w12.htm
<DESCRIPTION>EX-10.12: SPECIAL SEPARATION PROGRAM FOR "SEPARATED RETIREMENT ELIGIBLE" EMPLOYEES
<TEXT>
Document 4 - file: y44547exv10w12.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-12
<SEQUENCE>5
<FILENAME>y44547exv12.htm
<DESCRIPTION>EX-12: COMPUTATION OF RATIOS OF EARNINGS TO FIXED CHARGES
<TEXT>
Document 5 - file: y44547exv12.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-21
<SEQUENCE>6
<FILENAME>y44547exv21.htm
<DESCRIPTION>EX-21: SUBSIDIARIES
<TEXT>
Document 6 - file: y44547exv21.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24.1
<SEQUENCE>7
<FILENAME>y44547exv24w1.htm
<DESCRIPTION>EX-24.1: POWER OF ATTORNEY
<TEXT>
Document 7 - file: y44547exv24w1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24.2
<SEQUENCE>8
<FILENAME>y44547exv24w2.htm
<DESCRIPTION>EX-24.2: CERTIFIED RESOLUTION OF BOARD OF DIRECTORS
<TEXT>
Document 8 - file: y44547exv24w2.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-31.1
<SEQUENCE>9
<FILENAME>y44547exv31w1.htm
<DESCRIPTION>EX-31.1: CERTIFICATION
<TEXT>
Document 9 - file: y44547exv31w1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-31.2
<SEQUENCE>10
<FILENAME>y44547exv31w2.htm
<DESCRIPTION>EX-31.2: CERTIFICATION
<TEXT>
Document 10 - file: y44547exv31w2.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-32.1
<SEQUENCE>11
<FILENAME>y44547exv32w1.htm
<DESCRIPTION>EX-32.1: CERTIFICATION
<TEXT>
Document 11 - file: y44547exv32w1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-32.2
<SEQUENCE>12
<FILENAME>y44547exv32w2.htm
<DESCRIPTION>EX-32.2: CERTIFICATION
<TEXT>
Document 12 - file: y44547exv32w2.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>14
<FILENAME>y44547y4454701.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 14 - file: y44547y4454701.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>15
<FILENAME>y44547y4454705.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 15 - file: y44547y4454705.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>16
<FILENAME>y44547y4454703.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 16 - file: y44547y4454703.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>17
<FILENAME>y44547y4454706.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 17 - file: y44547y4454706.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>18
<FILENAME>y44547y4454707.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 18 - file: y44547y4454707.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>COVER
<SEQUENCE>19
<FILENAME>filename19.htm
<TEXT>
Document 19 - file: filename19.htm

</DOCUMENT>
</SEC-DOCUMENT>