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、普氏、嗜血杆、罗氏、韦荣氏、奈瑟氏、梭杆与卟啉单胞。

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

在儿童和青少年中，最见病因是脑膜炎奈瑟氏和肺炎链。

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.

无脾或脾功能人容易感染荚膜，例如肺炎链、流感嗜血杆、脑膜炎奈瑟与沙门氏，因为荚膜通被脾脏中的巨噬细胞调理并吞噬。

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，以避免细性脑膜炎发作，比如在有家还没有接种脑膜炎奈瑟疫苗的家庭中。

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膜炎诱因，比如脑膜炎奈瑟氏、单纯疱疹病毒。

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膜炎，同时对腮腺炎和播散性结核病引起的脑膜炎也有效。