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Summary
Meningococcal disease incidence in Norway shifted to a new endemic level in 1974, with high rates persisting. Predicted 1983 incidence is the highest recorded since 1941, indicating a significant public health concern.
Area of Science:
- Epidemiology
- Infectious Disease Surveillance
Background:
- Meningococcal disease has historically presented varying incidence levels.
- Understanding epidemiological shifts is crucial for public health interventions.
Purpose of the Study:
- To describe the epidemiological changes in meningococcal disease in Norway post-1979.
- To analyze trends in both the general and military populations.
Main Methods:
- Retrospective analysis of epidemiological data.
- Description of incidence patterns over time.
Main Results:
- Norway experienced a significant shift to a new endemic level of meningococcal disease in 1974.
- High incidence levels persisted for approximately nine years following this shift.
- Predicted meningococcal disease incidence for 1983 exceeded all recorded levels since 1941.
Conclusions:
- The epidemiological patterns of meningococcal disease in Norway have undergone a notable and sustained change.
- The projected increase in incidence for 1983 warrants continued monitoring and potential public health action.