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Meningococcal disease in siblings caused by rifampicin sensitive and rifampicin resistant strains
S J Dawson1, R E Fey, C A McNulty
1Gloucester Public Health Laboratory, Gloucester Royal Hospital.
Abstract:
Two brothers presented with meningococcal infection in a five day period, the first with a rifampicin sensitive strain and the second, who had received rifampicin chemoprophylaxis, with a resistant strain. Secondary cases of meningococcal disease can occur despite chemoprophylaxis, and may be rifampicin resistant. Close contacts should be informed of the early symptoms of meningococcal disease and of the need to seek medical advice urgently if they occur.
Insights
Meningococcal disease can occur even after chemoprophylaxis, with resistant strains emerging. Early recognition of symptoms and prompt medical attention are crucial for close contacts.
Area of Science:
- Infectious Diseases
- Microbiology
- Public Health
Background:
- Meningococcal infection is a serious bacterial illness.
- Chemoprophylaxis is used to prevent secondary cases of meningococcal disease.
Observation:
- Two brothers presented with meningococcal infections within five days.
- The first brother had a rifampicin-sensitive strain.
- The second brother, who received rifampicin chemoprophylaxis, had a resistant strain.
Findings:
- Secondary meningococcal disease can occur despite chemoprophylaxis.
- Emergence of rifampicin-resistant Neisseria meningitidis strains is possible after prophylaxis.
- This highlights potential limitations of current chemoprophylaxis.
Implications:
- Close contacts of meningococcal cases require vigilant monitoring.
- Education on early meningococcal disease symptoms is vital.
- Urgent medical evaluation is necessary for suspected cases to guide appropriate treatment and control measures.
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