<SEC-DOCUMENT>0001193125-09-134516-index.html : 20090622
<SEC-HEADER>0001193125-09-134516.hdr.sgml : 20090622
<ACCEPTANCE-DATETIME>20090622091158
ACCESSION NUMBER:		0001193125-09-134516
CONFORMED SUBMISSION TYPE:	S-3ASR
PUBLIC DOCUMENT COUNT:		9
FILED AS OF DATE:		20090622
DATE AS OF CHANGE:		20090622
EFFECTIVENESS DATE:		20090622

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:		S-3ASR
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-160134
		FILM NUMBER:		09902480

	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>S-3ASR
<SEQUENCE>1
<FILENAME>ds3asr.htm
<DESCRIPTION>FORM S-3
<TEXT>
Document 1 - file: ds3asr.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-5
<SEQUENCE>2
<FILENAME>dex5.htm
<DESCRIPTION>OPINION AND CONSENT OF CELIA A. COLBERT, ESQ.
<TEXT>
Document 2 - file: dex5.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-12
<SEQUENCE>3
<FILENAME>dex12.htm
<DESCRIPTION>COMPUTATION OF RATIOS OF EARNINGS TO FIXED CHARGES
<TEXT>
Document 3 - file: dex12.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-15
<SEQUENCE>4
<FILENAME>dex15.htm
<DESCRIPTION>AWARENESS LETTER OF DELOITTE & TOUCHE LLP
<TEXT>
Document 4 - file: dex15.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.(A)
<SEQUENCE>5
<FILENAME>dex23a.htm
<DESCRIPTION>CONSENT OF PRICEWATERHOUSECOOPERS LLP
<TEXT>
Document 5 - file: dex23a.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.(B)
<SEQUENCE>6
<FILENAME>dex23b.htm
<DESCRIPTION>CONSENT OF DELOITTE & TOUCHE LLP
<TEXT>
Document 6 - file: dex23b.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.(C)
<SEQUENCE>7
<FILENAME>dex23c.htm
<DESCRIPTION>CONSENT OF DELOITTE & TOUCHE LLP
<TEXT>
Document 7 - file: dex23c.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-25
<SEQUENCE>8
<FILENAME>dex25.htm
<DESCRIPTION>FORM T-1 STATEMENT OF ELIGIBILTY
<TEXT>
Document 8 - file: dex25.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>g45278g97z48.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 9 - file: g45278g97z48.jpg

</DOCUMENT>
</SEC-DOCUMENT>