--(BUSINESS WIRE)--Merck & Co., Inc. (NYSE: MRK) TO: Journalists and Pharmaceutical Analysts WHAT: Merck & Co., Inc. will host a teleconference to provide an update on the U.S. VIOXX litigation WHO: Richard T. Clark, chairman, president and chief executive officer Peter N. Kellogg, executive vice president and chief financial officer Kenneth C. Frazier, executive vice president and president, Global Human Health Bruce N. Kuhlik, senior vice president and general counsel Theodore V. H. Mayer, partner, Hughes Hubbard & Reed LLP