Before Covid, the bacterial infection "tuberculosis" was the number 1 infectious disease killer on the planet. Every day it claims the lives of thousands, with the impact particularly marked in lower income countries which account for 80% of the cases. But that doesn't mean that richer countries are off the hook. As people migrate, and wars displace refugees, Western countries are seeing a rising trend in new TB cases, particularly of highly drug-resistant forms of the infection. So this week we're looking at new ways to combat one of the oldest and most fearsome infections on the planet... Like this podcast? Please help us by supporting the Naked Scientists

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