The present invention provides an antigenic composition for use as a mycobacterial vaccine, said composition comprising (i) a first mycobacterial antigenic polypeptide, wherein said first mycobacterial antigenic polypeptide comprises a polypeptide sequence having at least 70% amino acid sequence identity to the amino acid sequence of SEQ ID NO: 6, 12, 2, 18, 8, 10, 6, 4, or a fragment thereof having at least 50consecutive amino acids thereof; or(ii)a first mycobacterial polynucleotide, wherein said first mycobacterial polynucleotide comprises a polynucleotide sequence encoding said first mycobacterial antigenic polypeptide, or 10 wherein said first mycobacterial polynucleotide comprises a polynucleotide sequence selected from SEQ ID NO: 5, 11, 1, 17, 7, 9, 15, 3.