A disease that is present permanently in a region or population is kno

A disease that is present permanently in a region or population is known as

pandemic
epidemic
endemic
zoonotic
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UPSC Combined Section Officer – 2019-20
A disease that is present permanently in a region or population is known as endemic.
In epidemiology, an endemic disease is one that is constantly maintained at a baseline level in a population within a geographical area without external inputs. This means the disease is regularly found among particular people or in a certain area.
An ‘epidemic’ refers to a sudden increase in the number of cases of a disease above what is normally expected in a population in a given area. A ‘pandemic’ is an epidemic that has spread over several countries or continents, affecting a large number of people. A ‘zoonotic’ disease is an infectious disease that has jumped from a non-human animal to humans.
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