Today's Merck is a global healthcare leader working to help the world be well. Merck is known as MSD outside the United States and Canada. Through our prescription medicines, vaccines, biologic ...

We invent for life
We’re following the science to tackle some of the world’s greatest health threats. But don’t take it from us – see what our people and patients say.
8 women who made major strides at our company and beyond
Fighting for health equity from inside the health care industry
Carmen Villar, vice president, social business innovation, always defended the underdog – now she leads a team solely focused on reducing health disparities
Innovation
Understanding the link between social media and health
The Alliance for Advancing Health Online will look at social media’s role in health, starting with COVID-19 vaccine confidence
Our people
3 things I want the Black community to know about scientists like me
Denarra Simmons, senior scientist, on why now more than ever, the Black community needs to put their trust in science
Responsibility
Building a responsible business: 4 Merck CEOs on our legacy & future
How can we support you?
Medical treatment can be stressful enough. If you can’t afford your prescribed medications, we may be able to help you.
Where creativity meets research
We bring creative minds together to invent important medicines and vaccines. We stop at nothing to help save and improve lives.
Vaccines
Vaccines are one of the greatest public health success stories – and we’ve been discovering, developing and delivering vaccines to help prevent disease for over 100 years.
Infectious diseases
We play an important role in discovering and developing innovative medicines and vaccines to treat and prevent infectious diseases, including HIV and Ebola.
COVID-19
As a company dedicated to saving and improving lives, we have a special responsibility to help in the fight against COVID-19. We’ve been fully committed to developing an effective response to the COVID-19 pandemic since it was first recognized.
Calling all inventors
Are you passionate about building a meaningful career? We rise to any challenge to help make the greatest health impact.
MerckHelps
Merck Access Program
Clinical trials
Merck Manuals
Environmental, Social, Governance (ESG) Report
Merck for Mothers
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Forward-looking statement of Merck & Co., Inc., Kenilworth, N.J., USA
This news release of Merck & Co., Inc., Kenilworth, N.J., USA (the “company”) includes “forward-looking statements” within the meaning of the safe harbor provisions of the U.S. Private Securities Litigation Reform Act of 1995. These statements are based upon the current beliefs and expectations of the company’s management and are subject to significant risks and uncertainties. There can be no guarantees with respect to pipeline products that the products will receive the necessary regulatory approvals or that they will prove to be commercially successful. If underlying assumptions prove inaccurate or risks or uncertainties materialize, actual results may differ materially from those set forth in the forward-looking statements.
Risks and uncertainties include but are not limited to, general industry conditions and competition; general economic factors, including interest rate and currency exchange rate fluctuations; the impact of the recent global outbreak of novel coronavirus disease (COVID-19); the impact of pharmaceutical industry regulation and health care legislation in the United States and internationally; global trends toward health care cost containment; technological advances, new products and patents attained by competitors; challenges inherent in new product development, including obtaining regulatory approval; the company’s ability to accurately predict future market conditions; manufacturing difficulties or delays; financial instability of international economies and sovereign risk; dependence on the effectiveness of the company’s patents and other protections for innovative products; and the exposure to litigation, including patent litigation, and/or regulatory actions.
The company undertakes no obligation to publicly update any forward-looking statement, whether as a result of new information, future events or otherwise. Additional factors that could cause results to differ materially from those described in the forward-looking statements can be found in the company’s 2020 Annual Report on Form 10-K and the company’s other filings with the Securities and Exchange Commission (SEC) available at the SEC’s Internet site ( www.sec.gov ).
The information contained in this website was current as of the date presented. The company assumes no duty to update the information to reflect subsequent developments. Consequently, the company will not update the information contained in the website and investors should not rely upon the information as current or accurate after the presentation date.
By continuing, you will be directed to a site intended only for residents of the United States and Canada. We are called MSD everywhere, except in the United States and Canada where we are known as Merck & Co Inc, Kenilworth, NJ USA


Finding out you have advanced lung cancer is stressful and it can be hard to absorb all of the information shared.