endemic
adjective uk/enˈdem.ɪk/ us/enˈdem.ɪk/
（尤指疾病或情况）地方性的；（在某地或某些人中）特有的，流行的
especially of a disease or a condition, regularly found and very common among a particular group or in a particular area
Malaria is endemic in many of the hotter regions of the world. 疟疾流行于世界上许多气候较炎热地区。
The disease is endemic among British sheep/to many British flocks. 这种疾病在英国羊只中／很多英国羊群中流行。
There is endemic racism/poverty/violence in many of the country's cities. 该国很多城市中，种族主义猖獗／贫困现象普遍／暴力肆虐。
Compare: epidemic adjective