Saliva-sniffing Rats Help Diagnose Tuberculosis in Tanzania

Tuberculosis killed some two million people last year, making it one of the top 10 causes of death worldwide. Accurately diagnosing the disease is critical to reducing its toll, but that can be a challenge in the developing world. A new health facility in Tanzania is employing a novel, low-cost tool that could help millions get the medicine they need to fight off the disease. Sophie Tremblay has the story from Dar es Salaam.