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

MSD has supplied more than 203 million doses of vaccines worldwide through clinical trial research and registered 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.

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Explore vaccine clinical trials that are enrolling volunteers

Below is a list of all available vaccine clinical trials. You can narrow the results by choosing options in the dropdown menus below. You can also sort results to show trials nearest to you by entering your city or postcode in the search field.

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For help understanding clinical trial listings and for other resources, visit our Patient Resources section.
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About clinical trials

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