An outbreak of disease that occurs over a broad area of the world it is not limited to one city, town, or even country. It is widespread and affects affects an exceptionally high proportion of the population.
Insurance Encyclopedia
Panel size
Number of patients served by a physician or physician group. If the panel size is greater than 25,000 patients, then the physician group is not considered to be at substantial financial risk because the risk is spread over the large number of patients. Stop loss and beneficiary surveys would not be required.