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[Effect of a tuberculosis program on the decrease of annual risk of infection].

J M Santos Lozano, A Tocino Ferrera, I Rivera Benítez

    Revista De Sanidad E Higiene Publica
    |July 1, 1989
    PubMed
    Summary
    This summary is machine-generated.

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    A tuberculosis program significantly reduced infection rates over two years. Annual infection risk dropped by 45%, highlighting the importance of school child screening in controlling tuberculosis prevalence.

    Area of Science:

    • Public Health
    • Epidemiology
    • Infectious Disease Control

    Context:

    • A tuberculosis program was implemented in a Health Centre between November 1985 and November 1987.
    • The study researched 147 families, totaling 755 individuals, to assess the program's impact.

    Purpose:

    • To report on the development and outcomes of a community-based tuberculosis program.
    • To evaluate the program's effectiveness in reducing tuberculosis infection prevalence and Annual Infection Risk (AIR).

    Summary:

    • The program involved 74 individuals receiving primary chemoprophylaxis and 244 receiving secondary chemoprophylaxis, with 38 individuals undergoing treatment.
    • Tuberculosis prevalence in the 6.5-year-old age group decreased from 3% in 1985 to 1.3% in 1987.
    • The Annual Infection Risk (AIR) was calculated at 0.19, showing a 45% reduction, highlighting the program's success.

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    Impact:

    • The study underscores the critical role of annual tuberculin screening for school children in early detection and prevention.
    • The findings suggest that the implemented tuberculosis program significantly contributed to the decline in infection prevalence and AIR.
    • This program's success provides a model for other health centers aiming to control tuberculosis transmission.