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We are one company, but we operate under two different corporate brand names. We are known as Merck & Co., Inc., Rahway, New Jersey, USA in the United States, Canada & Puerto Rico. We are …

Merck aspires to be the premier research-intensive biopharmaceutical company in the world. Learn about our commitment to save and improve lives.

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Nov 26, 2025 · Merck's online newsroom offers real-time news about Merck's prescription medicines, vaccines and consumer care products.

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Dec 12, 2025 · An overview of Merck’s latest news, events and financials.