The major genera with the largest representation in the oral cavities include: streptococcus, prevotella, haemophilus, rothia, veillonella, neisseria, fusobacterium, and porphyromonas.

口腔中的微生物主要包括以下几个大：链球、普氏、嗜血、罗氏、韦荣氏球、奈瑟氏、梭与卟啉单胞。

In children and teens, the most common causes are Neisseria meningitidis and Streptococcus pneumoniae.

在儿童和青少年中，最见病因是脑奈瑟氏和肺链球。

Prevention with a vaccine, is appropriate for some causes like Neisseria meningitidis, but also for mumps and for disseminated tuberculosis.

预防方案用疫苗，适用于像奈瑟引起的脑，时对腮腺和播散性结核病引起的脑也有效。

Prophylactic antibiotics can also be administered, to avoid outbreaks of bacterial meningitis like in households where individuals haven't been vaccinated against Neisseria meningitidis.

预防性抗生素也可以被给药，以避免细性脑发作，比如在有家还没有接种脑奈瑟疫苗的家庭中。

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见的的脑诱因，比如脑奈瑟氏球、单纯疱疹病毒。

Having an absent or non-functional spleen means a person is susceptible to encapsulated bacteria - like Streptococcus pneumoniae, Haemophilus influenzae, Neisseria meningitidis, and Salmonella species - since encapsulated bacteria are normally opsonized and then phagocytized by macrophages in the spleen.

无脾或脾功能丧失使人容易感染荚，例如肺链球、流感嗜血、脑奈瑟与沙门氏，因为荚通被脾脏中的巨噬细胞调理并吞噬。