English-Chinese/Allergic reaction
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An allergic reaction, formally known as type 1 hypersensitivity, is the result of an inappropriate immune response triggering inflammation, vasodilation, and nerve irritation.
过敏反应，正式称为1型超敏反应，是不恰当的免疫反应引发炎症，血管舒张和神经刺激的结果。