active endemic area的用法和样例：
- Conclusion Yajiang area is a severely endemic area of taeniasis/cysticercosis.
- It was confirmed that Yimeng mountains of Shandong province was the endemic area of Lyme disease.
- Conclusion: Wushi county is an endemic area of taeniasis at present.Taeniasis can be found more often in young people.
- Objective To classify the water contact patterns of the residents in a hilly endemic area of Schistosomiasis japonica.