When administered in the form of a therapeutic vaccine =?

When administered in the form of a therapeutic vaccine = When researchers give the protein the form of a therapeutic vaccine ?

Context:
Researchers at the Biotech Research and Innovation Centre (BRIC) at the University of Copenhagen have discovered a protein normally found in the body that can act to prevent chronic tissue inflammation. When administered in the form of a therapeutic vaccine it is able to effectively prevent and treat a number of different inflammatory disease models for multiple sclerosis (MS), rheumatoid arthritis (RA), skin hypersensitivity and allergic asthma (AA).

More:

http://www.sciencedaily.com/releases/2010/12/101214100242.htm