risk definition epidemiology
Absolute Risk. Epidemiology The observed or calculated probability of occurrence of an event, X, in a population related to exposure to a specific hazard, infection, trauma; the number of persons suffering from a disease when the exposed population is known with certainty. Cf Relative risk.
General Concepts. Definitions. Epidemiology is the study of the determinants, occurrence, and distribution of health and disease in a defined population. Infection is the replication of organisms in host tissue, which may cause disease. A carrier is an individual with no overt disease who harbors infectious organisms.