Now, multiple sclerosis is a type IV hypersensitivity reaction, or cell-mediated hypersensitivity.

多发性硬化是IV型超敏反应，即细胞介导超敏反应。

This is thought to be a type I or type IV hypersensitivity reaction, and is typically a response to a medication like NSAIDs, penicillin, and diuretics.

这被认为是I型或IV型超敏反应，通常来说，是对非甾体类抗炎药、青霉素和利尿剂等药物的反应。