For over 50 years, OMIM has been a foundational resource for clinicians and researchers in molecular biology, genetics and genomics and medicine. With over two million worldwide users per year and over one million users returning over 100 times a year, OMIM remains current and authoritative through its careful selection, review and curation of the scientific literature. OMIM is the primary source of information on the evolving knowledge of the relationship between genes and disease. The free-text, structured format provides the flexibility necessary to explain the nuances of these relationships as well as to describe newly identified biological and pathological processes underlying them. As genomics becomes more integral to all of medicine, the unparalleled breadth and richness of description of human phenotypes and genes in OMIM will provide expert and timely support to clinicians and researchers in diverse scientific fields.
