As for viruses, the main culprits are enteroviruses, especially coxsackie virus, and herpes simplex virus.

至于病毒，罪魁祸首是肠道病毒，尤其是手足口病毒、单纯疱疹病毒等。

But, by far, infection is the most common trigger for meningitis across all age groups, like with the Neisseria meningitidis bacteria or herpes simplex virus for example.

但是，到目前为止，感染是在所有年龄组中最常见的的脑膜炎诱因，比如脑膜炎奈瑟氏球菌、单纯疱疹病毒。

There are two types of herpes simplex viruses —HSV1 and HSV2 —both of which are part of a larger family of enveloped double-stranded DNA viruses: the herpesviridae family.

单纯疱疹病毒有两种血清型：HSV-1和HSV-2，两者都归属于一类更大的、有包膜的双链DNA病毒家族：疱疹病毒家族。