dengue hemorrhagic fever

例句：

1. 1.The patient was diagnosed with dengue hemorrhagic fever and required immediate hospitalization.
   这名患者被诊断出患有登革热出血热，需要立即住院治疗。
2. 2. The outbreak of dengue hemorrhagic fever has been a major concern for public health officials.
   登革热出血热的爆发已成为公共卫生官员们的主要关切。
3. 3. The patient's condition worsened after being treated with anti-dengue medication, prompting further investigation into the cause of the disease.
   患者在使用抗登革药物后病情恶化，促使进一步调查该病的原因。