<SEC-DOCUMENT>0000950123-01-503123-index.html : 20010601

<SEC-HEADER>0000950123-01-503123.hdr.sgml : 20010601

ACCESSION NUMBER:		0000950123-01-503123

CONFORMED SUBMISSION TYPE:	S-4

PUBLIC DOCUMENT COUNT:		4

FILED AS OF DATE:		20010531


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-4

		SEC ACT:		

		SEC FILE NUMBER:	333-61982

		FILM NUMBER:		1651891


	BUSINESS ADDRESS:	

		STREET 1:		ONE MERCK DR

		STREET 2:		P O BOX 100

		CITY:			WHITEHOUSE STATION

		STATE:			NJ

		ZIP:			08889-0100

		BUSINESS PHONE:		9084234044


	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-4
<SEQUENCE>1
<FILENAME>y49565s4s-4.txt
<DESCRIPTION>MERCK & CO., INC.
<TEXT>
Document 1 - file: y49565s4s-4.txt

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>2
<FILENAME>y49565s4ex23-1.txt
<DESCRIPTION>CONSENT OF PRICEWATERHOUSCOOPERS LLP
<TEXT>
Document 2 - file: y49565s4ex23-1.txt

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.2
<SEQUENCE>3
<FILENAME>y49565s4ex23-2.txt
<DESCRIPTION>CONSENT OF ARTHUR ANDERSEN LLP
<TEXT>
Document 3 - file: y49565s4ex23-2.txt

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.2
<SEQUENCE>4
<FILENAME>y49565s4ex99-2.txt
<DESCRIPTION>FORM OF PROXY CARD
<TEXT>
Document 4 - file: y49565s4ex99-2.txt

</DOCUMENT>
</SEC-DOCUMENT>