Neisseria meningitidis


Droplet / Contact Precautions

General Information

Encapsulated Gram-negative diplococci.

Normal flora. Humans are the reservoir. Generally of little significance when cultured from nonsterile sites such as oropharynx.

Quadrivalent vaccine prevents disease by serogroups A/C//Y/W-135.

Serogroup B meningococcal vaccine also available.

Occurs in outbreaks particularly in crowded settings.

Colonizer and cause invasive disease:

  • Meningitis

  • Meningococcemia


  • Pneumonia

  • Septic arthritis

  • Pericarditis

  • Conjunctivitis

  • Contact and droplet precautions until 24hrs of appropriate antimicrobial therapy.

  • Prophylaxis may be required for close contacts and healthcare workers. Contact Public Health

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