Advances in Immunology, Volume 137, the latest in a long-established and highly respected publication, presents current developments and comprehensive reviews in immunology. Articles address the wide range of topics that comprise immunology, with this release including sections on Notch and T-Cell signaling/T-Cell memory, Single Cell Analysis of CD8+ and CD4+ T Cell Differentiation, New Developments in the Chemokine Field, the Role of Caveolin-1 in BCR and TCR Receptors, The Unusual Biochemistry of Bovine Immunoglobulins, and the Molecular Aspects of Allergens and Allergy.