+Prevalence measures the total proportion of a characteristic or condition present in a population at a specific time. It is a key metric in [Epidemiology](/wiki/epidemiology), providing a snapshot of existing cases, distinct from [Incidence](/wiki/incidence) which quantifies new occurrences.
+## See also
+- [Risk](/wiki/risk)
+- [Statistics](/wiki/statistics)
+- [Public Health](/wiki/public_health)
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