<SEC-DOCUMENT>0001209191-06-053951-index.html : 20061006
<SEC-HEADER>0001209191-06-053951.hdr.sgml : 20061006
<ACCEPTANCE-DATETIME>20061006123500
ACCESSION NUMBER:		0001209191-06-053951
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20060926
FILED AS OF DATE:		20061006
DATE AS OF CHANGE:		20061006

ISSUER:		

	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

	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

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			YARNO WENDY L
		CENTRAL INDEX KEY:			0001181186

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-03305
		FILM NUMBER:		061133067

	BUSINESS ADDRESS:	
		STREET 1:		MERCK & CO INC
		STREET 2:		ONE MERCK DR PO BOX 100
		CITY:			WHITEHOUSE STATION
		STATE:			NJ
		ZIP:			08889
		BUSINESS PHONE:		9084231000
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>doc3.xml
<DESCRIPTION>FORM 3 SUBMISSION
<TEXT>
Document 1 - file: doc3.html
Document 1 - RAW XML: doc3.xml
</DOCUMENT> <DOCUMENT> <TYPE>EX-24.3_154539 <SEQUENCE>2 <FILENAME>poa.txt <DESCRIPTION>POA DOCUMENT <TEXT> Document 2 - file: poa.txt
</DOCUMENT> </SEC-DOCUMENT>