About tuberculosis

  • What is tuberculosis

    Tuberculosis (TB) is a disease that usually affects the lungs and is caused by an infection with the TB bacteria called Mycobacterium tuberculosis.

  • Tuberculosis screening

    Screening is a process to identify people who are at risk of having a health problem or disease.

  • Tuberculosis infection

    TB infection is common, with almost one in four people estimated worldwide affected.

Last updated: 6 August 2025