They have proven their worth in detecting landmines but Africa's giant pouched rats have a lesser-known but equally critical vocation – saving lives by speeding up tuberculosis detection. It's all in the nose, says the Belgian non-governmental organisation APOPO. “The biggest obstacle has been the negative perception that people have of the rat,” said APOPO director Christophe Cox, whose NGO has been based in Morogoro in Tanzania's eastern highlands since 2000.
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Tanzanian rats with nose for trouble train to save lives
