Tuberculosis (TB) has overtaken HIV/AIDS globally as the largest infectious cause of death by a single pathogen. Kaufmann reports that in 2011:
Although the prevalence of TB is highest in the poorer countries of South-East Asia and Sub-Saharan Africa (Figure 3), it is resurging in Eastern Europe and increasing in the richest parts of the world. For example, there were over 9000 new cases of TB in England and Wales in 2011, most of them in London (HPA, 2012).
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