Definition: The total number of cases of a given disease in a specified population at a designated time. It is differentiated from INCIDENCE, which refers to the number of new cases in the population at a given time.
IM GEN only; coord NIM with disease /epidemiol (IM); no qualif; total number of cases, new & old: do not confuse with INCIDENCE, total number of new cases; read MeSH definitions; specify geog if pertinent