<SEC-DOCUMENT>0000950123-01-502178-index.html : 20010511

<SEC-HEADER>0000950123-01-502178.hdr.sgml : 20010511

ACCESSION NUMBER:		0000950123-01-502178

CONFORMED SUBMISSION TYPE:	10-Q

PUBLIC DOCUMENT COUNT:		2

CONFORMED PERIOD OF REPORT:	20010331

FILED AS OF DATE:		20010510


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:		10-Q

		SEC ACT:		

		SEC FILE NUMBER:	001-03305

		FILM NUMBER:		1628656


	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>10-Q
<SEQUENCE>1
<FILENAME>y48941e10-q.txt
<DESCRIPTION>MERCK & CO., INC.
<TEXT>
Document 1 - file: y48941e10-q.txt

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-12
<SEQUENCE>2
<FILENAME>y48941ex12.txt
<DESCRIPTION>COMPUTATION OF RATIOS OF EARNINGS TO FIXED CHARGES
<TEXT>
Document 2 - file: y48941ex12.txt

</DOCUMENT>
</SEC-DOCUMENT>