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Why is TB still killing people?

Aug 7, 2026 · 26m

Summary

Host Marnie Chesterton investigates why tuberculosis remains incurable, prompted by a question from Tanzanian doctor John. Experts explain that the BCG vaccine is ineffective in adults and antibiotic treatments are lengthy, allowing drug resistance to develop. The episode highlights new vaccine candidates like M72 and emphasizes that TB persists largely due to poverty and inadequate healthcare infrastructure.

Topics discussed

Intro, ads, and visiting Orwell's death site George Orwell's death and TB history Listener question: Why is TB still uncured? History and limitations of the BCG vaccine How TB bacteria interact with the immune system The grueling reality of TB treatment Mid-roll ads and episode recap TB's biology and the 'sleeping' state Challenges in TB research and containment New vaccine trials and personal impact Poverty, funding, and closing thoughts
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