English-Hanzi/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。