encephalic malaria

例句：

1. 1. The patient's condition worsened after the infection.
   患者感染后病情恶化。
2. 2. Researchers are studying the causes of this rare disease.
   研究人员正在研究这种罕见疾病的成因。
3. 3. Encephalic malaria is a serious health concern for travelers in tropical regions.
   脑型疟疾是热带地区旅行者的一个严重健康问题。