communicable diseases

例句：

1. 1. The spread of communicable diseases is a major public health concern.
   传染病的传播是公共卫生的一大关注点。
2. 2. The governmenthas implemented strict measures to prevent the spreadof communicable diseases.
   政府已经实施了严格的措施来防止传染病的传播。
3. 3. Doctorsare trained to identify and treat communicable diseases effectively.
   医生受过训练，能够有效地识别和治疗传染病。