Free explainer2 min read
Incidence and prevalence
Understand the model, recognise it in a stem, separate the look-alikes, then apply it.
Visual explanationUse the diagram to rebuild the concept from memory.
01Memory anchor
IncidenceThe rate of new cases of a condition arising in a population over a given time.Read more → = the tap (new cases); prevalenceThe proportion of a population who have a condition at a given point or period in time.Read more → = the level (existing cases).