Yes, there seems to be an allergic reaction.

是的 看起来有过敏性反。

I think it's it's a collective anaphylactic immune response to an antigen that challenged the system.

我认为这是对抗原的集体过敏性免疫反, 这种抗原挑战了系统。

In other words, sometimes a person might have no allergic reaction on the skin test, but have a localized allergic reaction affecting the nasal cavity and eyes - that's low sensitivity.

换言之，一个鼻子和眼睛局部存着过敏性反的患皮肤点刺试验时可能出现假阴性的结果，这就是所谓的低敏感性。