Increasing resistance to tuberculosis drugs around the world is a “ticking time bomb”, says the World Health Organization (WHO).
It estimates almost 500,000 people around the world have a type of TB which is resistant to at least two of the main types of drugs used to treat the disease.
But most are not diagnosed and are walking around spreading these more deadly strains. More than half the cases are in China, Russia and India.
The WHO says the overall number of people developing the disease is falling, but 8.6 million people were diagnosed with TB last year, and more than a million people died from the disease.
Through the hot, winding, cramped streets of Mumbai’s sprawling Dharavi slum, we have come to meet Ranjhu Zha and her family.
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Re-blogged from www.bbc.co.uk