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Updated: Feb 11, 2026

Inducing Meningococcal Meningitis Serogroup C in Mice via Intracisternal Delivery
Published on: November 5, 2019
[Spontaneous bacterial peritonitis and bacteraemia caused by meningococci serogroup W clonal complex 11]
Martin Søholm Iversen1, Steen Hoffmann, Katrine Lind
1martinsoeholmiversen@gmail.com.
Abstract:
In recent years, the incidence of invasive meningococcal disease (IMD) caused by serogroup W (SG-W) has been rising, in particular SG-W within clonal complex 11 (cc11), which has caused epidemics and is believed to cause severe and atypical IMD. This is a case report of spon-taneous bacterial peritonitis and bacteraemia caused by meningococci SG-W cc11 in a 60-year-old female with systemic lupus erythematosus in prolonged remission as her only risk factor. Antibiotic therapy was initiated at admission, and peritoneal lavage was performed. The patient recovered successfully without sequelae.
Insights
A rare case of invasive meningococcal disease (IMD) caused by serogroup W clonal complex 11 (SG-W cc11) occurred in a patient with systemic lupus erythematosus. The patient successfully recovered after antibiotic therapy and peritoneal lavage.
Area of Science:
- Infectious Diseases
- Microbiology
- Immunology
Background:
- Invasive meningococcal disease (IMD) caused by serogroup W (SG-W) clonal complex 11 (cc11) is increasing and associated with severe, atypical presentations.
- Systemic lupus erythematosus (SLE) can be a risk factor for infections due to immunosuppression.
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