<SEC-DOCUMENT>0000950123-09-014219-index.html : 20090616
<SEC-HEADER>0000950123-09-014219.hdr.sgml : 20090616
<ACCEPTANCE-DATETIME>20090616091549
ACCESSION NUMBER:		0000950123-09-014219
CONFORMED SUBMISSION TYPE:	PRER14A
PUBLIC DOCUMENT COUNT:		17
FILED AS OF DATE:		20090616
DATE AS OF CHANGE:		20090616

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:		PRER14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-03305
		FILM NUMBER:		09893215

	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>PRER14A
<SEQUENCE>1
<FILENAME>y77207prprer14a.htm
<DESCRIPTION>PRELIMINARY REVISED PROXY STATEMENT
<TEXT>
Document 1 - file: y77207prprer14a.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>y77207pry7720708.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: y77207pry7720708.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>y77207pry7720705.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: y77207pry7720705.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>y77207pry7720709.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: y77207pry7720709.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>y77207pry7720706.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: y77207pry7720706.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>y77207pry7720707.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 6 - file: y77207pry7720707.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>y77207pry7720710.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 7 - file: y77207pry7720710.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>y77207pry7720711.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 8 - file: y77207pry7720711.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>y77207pry7720712.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 9 - file: y77207pry7720712.gif

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>10
<FILENAME>y77207pry7720701.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 10 - file: y77207pry7720701.gif

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>11
<FILENAME>y77207pry7720702.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 11 - file: y77207pry7720702.gif

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>12
<FILENAME>y77207pry7720721.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 12 - file: y77207pry7720721.gif

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>13
<FILENAME>y77207pry7720714.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 13 - file: y77207pry7720714.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>14
<FILENAME>y77207pry7720720.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 14 - file: y77207pry7720720.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>15
<FILENAME>y77207pry7720722.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 15 - file: y77207pry7720722.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>16
<FILENAME>y77207pry7720713.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 16 - file: y77207pry7720713.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>17
<FILENAME>y77207pry7720724.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 17 - file: y77207pry7720724.gif

</DOCUMENT>
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