The present invention relates to the field of immunology and, in particular, to a vaccination procedure for treatment of a patient against diseases caused for example by infection or cancers. More particularly, the invention relates to methods for predicting whether a subject is or is not susceptible to developing a prophylactic or therapeutic response, preferably immune response, after such vaccination. The present invention relates to methods and compositions for selecting patients best able to raise a therapeutic immune .response in vivo by an immunogenic composition, in particular a vaccine.
