incidence of tuberculosis

例句：

1. 1. 发生；出现；2. 发病率；3.
   疾病
2. 1. The incidence of tuberculosis has decreased significantly in recent years.
   近年来，结核病的发病率已经显著下降。
3. 2. The study found that the incidence of this disease is increasing in certain areas.
   研究发现，这种疾病在某些地区的发病率正在增加。
4. 3. The doctors have to monitor the incidence of this disease to prevent its spread.
   医生们必须监测这种疾病的发病率，以防止其传播。