<SEC-DOCUMENT>0000895345-09-000328-index.html : 20090422
<SEC-HEADER>0000895345-09-000328.hdr.sgml : 20090422
<ACCEPTANCE-DATETIME>20090422164534
ACCESSION NUMBER:		0000895345-09-000328
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		9
FILED AS OF DATE:		20090422
DATE AS OF CHANGE:		20090422
EFFECTIVENESS DATE:		20090422

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:		DEFA14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-03305
		FILM NUMBER:		09764262

	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>DEFA14A
<SEQUENCE>1
<FILENAME>ds14a42_merck.htm
<TEXT>
Document 1 - file: ds14a42_merck.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>ds14a42_slide1.jpg
<TEXT>
Document 2 - file: ds14a42_slide1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>ds14a42_slide2.jpg
<TEXT>
Document 3 - file: ds14a42_slide2.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>ds14a42_slide3.jpg
<TEXT>
Document 4 - file: ds14a42_slide3.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>ds14a42_slide4.jpg
<TEXT>
Document 5 - file: ds14a42_slide4.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>ds14a42_slide5.jpg
<TEXT>
Document 6 - file: ds14a42_slide5.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>ds14a42_slide6.jpg
<TEXT>
Document 7 - file: ds14a42_slide6.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>ds14a42_slide7.jpg
<TEXT>
Document 8 - file: ds14a42_slide7.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>ds14a42_slide8.jpg
<TEXT>
Document 9 - file: ds14a42_slide8.jpg

</DOCUMENT>
</SEC-DOCUMENT>