Resources for patients
For help understanding clinical trial listings and for other resources, visit our Patient Resources section.
Vaccine clinical trials
Our researchers work with a simple goal in mind: Prevent infectious diseasesInfectious diseasesIllnesses caused by germs, such as bacteria, viruses, and fungi from causing sickness and death through vaccines.
We are driven to bring vaccines to a broader set of people.
Merck has supplied more than 180 million doses of vaccinesVaccineA substance (product) that helps provide protection to certain infections usually given as an injection (shot); a product given to prevent a certain disease, infection or condition; a preventive treatment given to produce immunity (protection) from certain diseases or conditions; Products made from killed or weakened viruses or bacteria that help protect the body from infection and usually given as injections (shots); Also called Immunizations 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.
You can also call our clinical trial information center at 1-888-577-8839 to learn more.
If you’re not sure which area of focus you’re interested in, let our match tool guide you with just a few questions.
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 and state in the search field.
About clinical trials
Learn what clinical trials are, how they work, and if you may be eligible to participate.