Fact sheets
Meningococcal fact sheet (PDF 208KB)
Notifiable disease data and reports
Additional sources of information
Exclusion
Cases – exclude for 24 hours after antibiotic treatment commenced.
Contacts – Do not exclude. Contact management will be coordinated by Department of Health staff.
Case definition
Both confirmed cases and probable cases should be notified.
Confirmed case
A confirmed case requires either:
1. Laboratory definitive evidence
OR
2. Laboratory suggestive evidence AND clinical evidence
Laboratory definitive evidence
Isolation of Neisseria meningitidis from a normally sterile site.
Laboratory suggestive evidence
1. Detection of meningococcus in a specimen from a normally sterile site by nucleic acid testing
OR
2. Detection of Gram-negative diplococci in Gram stain of specimen from a normally sterile site or from a suspicious skin lesion
OR
3. High titre IgM or significant rise in IgM or IgG titres to outer membrane protein antigens of N. meningitidis
OR
4. Positive polysaccharide antigen test in cerebrospinal fluid with other laboratory parameters consistent with meningitis
Clinical evidence
Disease which in the opinion of the treating clinician is compatible with invasive meningococcal disease.
Probable case
A probable case requires clinical evidence only.
Clinical evidence
A probable case requires:
1. The absence of evidence for other causes of clinical symptoms
AND EITHER
2. Clinically compatible disease including haemorrhagic rash
OR
3. Clinically compatible disease AND close contact with a confirmed case within the previous 60 days.