👉 The term "prevalencies" is a medical terminology used to describe the rate of disease or illness in a population, specifically in a given time period. Prevalences are typically expressed as percentages and can be calculated using various methods depending on the context and the data being analyzed. In epidemiology, prevalence refers to the number of individuals who have an exposure to a particular condition, which is assumed to be present in the general population at that time. For example, if someone has a fever due