is realized by realized in characteristic of inheres in causally downstream of infection host organism infectious disease InfectiousDisease A disease that inheres in a host and, when realized, is realized as a disease course that is causally preceded by an infection. A disease that is caused by an infection. Infection is the etiological process, as defined by OGMS, for infectious disease. However, OGMS does not relate its etiological process class to its disorder class as of this writing. So it is not clear how to connect infectious disease to its infection etiological process. disease disease course