Endemic (adjective)

1. Prevalent in a particular area or among a particular group of people, typically as a result of a particular set of conditions.
2. Native to or confined to a particular region or people.

Origin:

Mid 17th century: from greek endēmios "native, in the country", from en- "in" + dēmos "people".

Examples:

1. Poverty is endemic in this part of the city.
2. Malaria is endemic in certain parts of Africa.
3. The species is endemic to the island.
4. The disease is endemic to the population.
5. The corruption is endemic in the government.