SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT
Pursuant to Section 13 or 15(d) of
the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported)     October 24, 2001

MERCK & CO., Inc.
(Exact Name of Registrant as Specified in Its Charter)

New Jersey
(State or Other Jurisdiction of Incorporation)

1-3305	22-1109110
(Commission File Number)	(I.R.S. Employer Identification No.)
One Merck Drive, PO Box 100, Whitehouse Station, NJ	08889-0100
(Address of Principal Executive Offices)	(Zip Code)

Registrant’s telephone number, including area code      (908) 423-1000

Item 7. Financial Statements and Exhibits

      (c) Exhibits

      Exhibit 99 Updated presentation to investors Filed with
this document

Item 9. Regulation FD Disclosure

Incorporated by reference, and attached as Exhibit 99, is an updated presentation to investors, which is updated from the presentation to investors which was furnished to the Securities and Exchange Commission on August 9, 2001. This presentation is first being presented by the Registrant on October 24, 2001. This information is not “filed” pursuant to the Securities Exchange Act and is not incorporated by reference into any Securities Act registration statements. Additionally, the submission of this report on Form 8-K is not an admission as to the materiality of any information in this report that is required to be disclosed solely by Regulation FD.

SIGNATURES

      Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

	MERCK & CO., Inc.
Date: October 24, 2001	By: /s/ Debra A. Bollwage
	DEBRA A. BOLLWAGE       Assistant Secretary

EXHIBIT INDEX

Exhibit
Number	Description
99	Updated presentation to investors