UNITED STATES
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)		December 11, 2007

Merck & Co., Inc.

(Exact name of registrant as specified in its charter)

New Jersey		1-3305		22-1109110
(State or other jurisdiction of incorporation)		(Commission File Number)		(IRS 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

N/A

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

o

Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

o

Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

o

Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

o

Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Item 7.01.     Regulation FD Disclosure

Incorporated by reference is a press release issued by Merck & Co., Inc. (the “Company”) on December 11, 2007, attached as Exhibit 99.1, concerning the Company’s business briefing to analysts. Also incorporated by reference are Remarks given at the 2007 Annual Business Briefing by Richard T. Clark, Chairman of the Board, President and Chief Executive Officer of the Company, attached as Exhibit 99.2 and Annual Business Briefing Presentations given by certain senior executive officers of the Company on December 11, 2007, attached as Exhibit 99.3.

This information is not deemed to be “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that Section, and is not incorporated by reference into a filing under the Securities Act of 1933, as amended, or the Exchange Act, except as expressly set forth by specific reference in such filing. Additionally, the submission of this report on Form 8-K is not deemed an admission as to the materiality of any information in this report that is required to be disclosed solely by Regulation FD.

Item 9.01.     Financial Statements and Exhibits

     (d) Exhibits

		Exhibit 99.1		Press release issued December 11, 2007 regarding business briefing to analysts
		Exhibit 99.2		Remarks given at the 2007 Annual Business Briefing by Richard T. Clark, Chairman of the Board, President and Chief Executive Officer of the Company
		Exhibit 99.3		Annual Business Briefing Presentations given by certain senior executive officers of the Company on December 11, 2007

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.

EXHIBIT INDEX

Exhibit
Number		Description
99.1		Press release issued December 11, 2007 regarding business briefing to analysts
99.2		Remarks given at the 2007 Annual Business Briefing by Richard T. Clark, Chairman of the Board, President and Chief Executive Officer of the Company
99.3		Annual Business Briefing Presentations given by certain senior executive officers of the Company on December 11, 2007