We are driven to bring vaccines to a broader set of people.

MSD has supplied more than 180 million doses of vaccines worldwide through clinical trial research and approved marketed vaccines.

There is a lot to consider when deciding whether to participate in a clinical trial. Any clinical trial includes risks, which the study doctor will review with you. Make sure you understand the risks before participating.

GettyImages-1211642777

Resources for patients

For help understanding clinical trial listings and for other resources, visit our Patient Resources section.
Browse resources
GettyImages-1211642948

About clinical trials

Learn what clinical trials are, how they work, and if you may be eligible to participate.
Learn More