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A vaccine is a substance that stimulates the body's protective immune response. Vaccines prevent disease by producing antibodies (substances made by your body to prevent infections) and by producing cells that can fight the cause of the disease. 

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You are paid according to the study guidelines. Your payment is usually mailed to you and usually takes about two weeks to issue.

You may participate in only one study with an investigational product at a time. If you are in a study that only involves monitoring, you may be able to participate in our study also. Please ask us and we will advise you.

You must contact the organization you plan to donate blood to and see if you meet their eligibility guidelines. Please remember to remind them that you are participating in a research vaccine study. Usually, you will be asked to wait one year after receiving an investigational vaccine, before donating blood. 

No.  The Center for Vaccine Development focuses on conducting research-vaccine studies. To obtain licensed vaccines, please contact your physician or the health department. 

You can . A letter or e-mail announcing a new study is sent to those on our mailing list.  We do not sell or distribute your information to third parties.