*Neisseria meningitidis* is the gram-negative bacteria that causes meningococcal meningitis. 

*Neisseria meningitidis*

Meningococcal meningitis is an infection that can cause permanent nerve damage, hearing loss and brain damage. It commonly infects infants and adolescents. 

University of Wisconsin - Madison

- Meningococcal Meningitis
- Pneumococcal Meningitis
- *Haemophilus* influenzae Type b
- Neonatal Meningitis

Types of Bacterial Meningitis

https://openstax.org/details/books/microbiology/

Microbiology covers the scope and sequence requirements for a single-semester microbiology course for non-majors. The book presents the core concepts of microbiology with a focus on applications for careers in allied health. The pedagogical features of the text make the material interesting and accessible while maintaining the career-application focus and scientific rigor inherent in the subject matter. Microbiology’s art program enhances students’ understanding of concepts through clear and effective illustrations, diagrams, and photographs.

Microbiology is produced through a collaborative publishing agreement between OpenStax and the American Society for Microbiology Press. The book aligns with the curriculum guidelines of the American Society for Microbiology.

OpenStax Microbiology Textbook

Meningococcal Meningitis

Pneumococcal meningitis is an infection of the meninges caused by the bacterium *S. pneumoniae*.

Pneumococcal meningitis

Haemophilus influenzae Type b is an uncommon type of meningitis caused by *Haemophilus influenzae*. 

Haemophilus influenzae Type b

Neonatal meningitis is a type of meningitis that affects babies up to three months of age. This infection can be caused by *Streptococcus agalactiae* transmission in the vagina during birth. Later onset neonatal meningitis occurs 1 week to 3 months of age as well and the source of infection is unknown.

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