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[The epidemiological characteristics of meningococcal infection in the USSR]
Abstract:
The epidemiological analysis of morbidity in meningococcal infection in the USSR in the period of 1969-1987 showed that the second rise of the morbidity level occurred in 1984 and was followed by its decrease in most of the regions of the USSR. This study also revealed that the characteristic feature of the second rise of morbidity in meningococcal infection was a considerable involvement of young children (aged up to 3 years), as well as the increased etiological role of group B meningococci in cases of meningococcal infection and the circulation of these microorganisms among the population. Besides, the preservation of the etiological importance of group A meningococci in many regions of the USSR, especially among adults, was noted. In this connection, the use of Soviet group A meningococcal polysaccharide vaccine on epidemiological indications was considered to be epidemiologically substantiated.
Insights
Meningococcal infection morbidity in the USSR (1969-1987) peaked in 1984, notably affecting young children. Group B meningococci increased, while Group A remained significant in adults, supporting Group A vaccine use.
Area of Science:
- Epidemiology
- Infectious Diseases
- Microbiology
Background:
- Meningococcal infection poses a significant public health challenge.
- Understanding trends in morbidity and etiological agents is crucial for control strategies.
Purpose of the Study:
- To analyze the epidemiological patterns of meningococcal infection in the USSR from 1969 to 1987.
- To identify changes in causative agents and affected age groups during a specific morbidity rise.
Main Methods:
- Epidemiological analysis of morbidity data.
- Identification of etiological agents responsible for meningococcal infections.
Main Results:
- A second rise in meningococcal infection morbidity occurred in 1984, followed by a decrease.
- Young children (up to 3 years) were significantly involved during this rise.
- Group B meningococci showed an increased etiological role and circulation.
- Group A meningococci remained etiologically important, particularly in adults.
Conclusions:
- The epidemiological findings support the use of Soviet group A meningococcal polysaccharide vaccine based on epidemiological indications.
- Public health strategies should consider the changing etiological landscape and age-specific vulnerabilities in meningococcal disease control.