Item 7.01. Regulation FD Disclosure
Incorporated by reference is a press release issued by Merck & Co., Inc. (the "Company") on December 9, 2008, attached as Exhibit 99.1, concerning the Company's business briefing to analysts. Also incorporated by reference are Remarks given at the 2008 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 9, 2008, 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 9, 2008 regarding business briefing to analysts Exhibit 99.2 Remarks given at the 2008 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 9, 2008

---