The invention provides for novel immunostimulating peptides, peptide constructs and compositions. Further, the invention provides for methods of treatment utilising the peptides, peptide constructs and compositions.L'invention concerne de nouveaux peptides immunostimulants, des constructions peptidiques et des compositions. En outre, l'invention concerne des procédés de traitement utilisant des peptides, des constructions peptidiques et des compositions.