Related Experiment Videos
[Meningococcal disease in the Faroe Islands during the period 1978-1985]
B Mathiassen1, P M Weihe, J M Rasmussen
1Landssygehuset, Torshavn.
Abstract:
On the Faroe Islands (45,000 inhabitants), a total of 203 cases of meningococcal disease (MD) were recorded during the period 1978-1985. The peak incidence was 95/100,000 in 1981. MD mainly attacked children, 30% were below two years and 75% were below 11 years of age. The lethality rate was 5.4% (11 deaths). In 1981, rifampicin was introduced as a prophylactic treatment against secondary cases and at the same time, a decrease in incidence occurred. The decrease was more pronounced in the part of the country where the number of prescribed prophylactic doses per case of MD was greatest. These observations indicate that the introduction of rifampicin may have modified the course of the epidemic. None of the MD-patients had received prophylactic treatment with rifampicin. Of 132 examined, one patient with complement deficiency was identified, indicating that complement deficiencies were not a major risk factor in the epidemic of MD on the Faroe Islands.
Insights
Rifampicin prophylaxis for meningococcal disease (MD) on the Faroe Islands coincided with a significant incidence decrease, suggesting its role in controlling the epidemic. Complement deficiencies were not a major risk factor.
Area of Science:
- Epidemiology
- Infectious Diseases
- Public Health
Background:
- Meningococcal disease (MD) outbreaks pose significant public health challenges, particularly in smaller, isolated populations.
- Understanding disease dynamics and effective control measures is crucial for managing epidemics.
- The Faroe Islands experienced a notable MD epidemic between 1978 and 1985.
Observation:
- A peak incidence of 95/100,000 was observed in 1981, with children under 11 years disproportionately affected (75%).
- The overall lethality rate was 5.4%, resulting in 11 deaths.
- Rifampicin was introduced as a prophylactic treatment for secondary MD cases in 1981.
Findings:
- Coinciding with rifampicin introduction, a marked decrease in MD incidence was observed.
- The reduction in incidence was more pronounced in areas with higher prophylactic rifampicin use per MD case.
- No MD patients had received prior rifampicin prophylaxis, and complement deficiencies were found to be uncommon.
Implications:
- The findings suggest that widespread rifampicin prophylaxis may have effectively modified the course of the meningococcal disease epidemic.
- This highlights the potential of targeted antibiotic prophylaxis in controlling infectious disease outbreaks in specific settings.
- Further research into the impact of prophylactic strategies on MD transmission dynamics is warranted.