Answer
Prevalence.
Work Step by Step
The total number of cases of a disease in a given area is its prevalence. The prevalence of the disease can help experts determine its severity as well as whether or not the disease is likely to die off soon.
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.