According to the World Health Organization, TB is one of the top ten leading causes of death worldwide, and is the leading cause of death from a single infectious agent. In 2018, an estimated 10 million people developed TB, and there were an estimated 1.2 million TB deaths among HIV-negative people and 251,000 TB-related deaths among HIV-positive people.[4] In the UK, 5075 people were reported to have TB in 2018 (an incidence of 7.6 in 100,000 population).[5]

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