DIFFERENTIATING THERAPEUTIC COMPOSITION

摘要

The present invention provides a method of tagging a subject to which at least a first antigen has been administered or will be administered, wherein the antigen is derived from an agent capable of infecting the subject and is able to either generate or assist in generating a therapeutic effect in the subject, the method comprising the step of: administering to the subject a marker or reporter that generates a detectable signal in the subject and is capable of identifying the subject as having received the first antigen