EX-23 2 ye2019msdpr_exhibit23-cons.htm EXHIBIT-23: CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

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Exhibit 23

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the incorporation by reference in the Registration Statement on Form S-8 (No. 333-173025 and 333-162884) of Merck & Co., Inc. of our report dated June 23, 2020, relating to the financial statements and supplemental schedule of the MSD Puerto Rico Savings & Security Plan, which appears in this Form 11-K.

/s/ PricewaterhouseCoopers LLP

June 23, 2020

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