sero-anaphylaxis

例句：

1. 1.The patient developed a severe allergic reaction after receiving the vaccine.
   患者在接受疫苗后出现了严重的过敏反应。
2. 2. During anaphylaxis, the body's immune system attacks its own tissues, causing symptoms like swelling and difficulty breathing.
   在过敏性休克中，身体的免疫系统攻击自己的组织，导致肿胀和呼吸困难等症状。
3. 3.Doctors often use epinephrine to treat severe allergic reactions, such as anaphylaxis.
   医生经常使用肾上腺素来治疗严重的过敏反应，比如过敏性休克。