In epidemiology, incidence reflects the number of new cases of a given medical condition in a population within a specified period of time. Incidence proportion
Epidemiology is the study and analysis of the distribution (who, when, and where), patterns and determinants of health and disease conditions in a defined
(Oct–Nov 2010). "Sexually transmitted infections and HIV: epidemiology and interventions". Topics in HIV Medicine. 18 (4): 138–42. PMID 21107013. "STD Data
has an incidence rate of about .05-2% and has the highest mortality rates of any infection. In the United Kingdom, the annual incidence rate of pneumonia