Which term refers to a large concentration of a disease in a specific area?

The term "epizootic" specifically refers to a situation where a disease affects a large number of animals within a specific geographic area, similar to how an epidemic refers to diseases in humans. This term is often used in epidemiology to describe significant outbreaks that have the potential to cause widespread impact on wildlife or livestock populations. It highlights the importance of understanding disease patterns in animal populations to manage and control potential threats effectively.

In contrast, an epidemic pertains to a spike in disease cases in humans, while a global pandemic refers to an epidemic that has spread across multiple countries or continents. An outbreak is generally a less severe occurrence where the number of cases is above what is normally expected but does not necessarily indicate the same scale as an epidemic; it can also be localized. Therefore, when discussing a significant concentration of disease in animals specifically, "epizootic" is the most appropriate and accurate term.