 Topics covered include immunology, inflammation, infectious disease, hematopoiesis, cancer, stem cells and vascular biology.The journal has no single editor-in-chief, but thirteen academic editors.The journal was established in 1896 at the Johns Hopkins School of Medicine by William H. Welch, the school's founder and also the first president of the Board of Scientific Directors of the Rockefeller Institute (since renamed Rockefeller University).