👉 The term "prevalence" is used in medicine and public health to describe the rate at which a disease or condition occurs. It indicates how often an illness or injury occurs among a population, based on surveys or other means of data collection. In general, prevalence refers to the frequency of an event or occurrence within a group of people, measured as the number of individuals who are affected by the event divided by the total population size. This measurement is useful for understanding how often certain diseases and conditions
