1 Exhibit 23.1 CONSENT OF INDEPENDENT ACCOUNTANTS We hereby consent to the incorporation by reference in this Registration Statement on Form S-8 of Merck & Co., Inc., of our report dated May 30, 1997 appearing on page 2 of the Report of the Astra Merck Inc. Employee Savings and Security Plan on Form 11-K for the fiscal year ended December 31, 1996. /s/ Price Waterhouse LLP Price Waterhouse LLP Philadelphia, PA June 24, 1997