7.1 Definition of a tuberculosis case

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    A case of tuberculosis (TB) is a person diagnosed with TB, whether the diagnosis is based on bacteriology, medical imaging, or clinical examination.


    TB cases are classified according to the following: bacteriological status, drug susceptibility pattern, anatomical site of the disease, history of previous TB treatment and HIV status [1] Citation 1. World Health Organization. Definitions and reporting framework for tuberculosis – 2013 revision (updated December 2014 and January 2020). Geneva: World Health Organization; 2020.