Here's a link to a post I made on the "Clinical Trials" page, which will in turn provide you with some links to a few papers published on the Her2 vaccines; these may help answer some of your questions. The breast cancer vaccines are indeed experimental at this point, one must "qualify" and enroll in a clinical trial to receive a particular vaccine.
http://www.her2support.org/vbulletin...ad.php?t=24105
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