text_1: 入院 前约 3 个 月 , 发热 频率 和 严重 程度 增加 , 体温 最高 38.3 ℃ , 并且 同时 发生 寒战 .
  
text_2: approximately 3 months before admission , fevers with a temperature of up to 38.3 ° C increased in frequency and severity and coincided with shaking chills .
  