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  • Title: [The development of the epidemic process and the formation of humoral immunity to the hepatitis A virus in adolescent collectives].
    Author: Karetnyĭ IuV, Vasil'eva ZN, Balaian MS, Zenkov VA, Sysoliatin VA, Sobina GV, Lysenko GV, Tsvetova GV, Tesheva SCh, Klimenko LA.
    Journal: Zh Mikrobiol Epidemiol Immunobiol; 1990 Oct; (10):71-6. PubMed ID: 1963724.
    Abstract:
    Additional observation on the formation of humoral immunity to hepatitis A virus has been carried out in 2,375 adolescents aged 15-17 years and belonging to 12 groups at 3 areas of the USSR. This observation has shown that in the presence of a high level of the immune stratum the spread of infection occurs, as a rule, outside the group under observation. Besides, as revealed in this study, the risk of seroconversion and the loss of specific antibodies are, respectively, directly and inversely related to the level of the immune stratum in the group. The level of the immune stratum in a given age group supposedly reflects the intensity of the development of the epidemic process at a definite area.
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