Tuberculosis has developed a growing resistance to the antibiotics used to combat it, and with fatal consequences
Regulators in the United States have now approved a drug that can treat a drug-resistant strain of TB.
It is the first new medication against TB to be registered for more than 40 years.
Despite long-lasting side effects, it may be the lesser of two evils for people diagnosed with a potentially lethal form of TB.
Al Jazeera's Dominic Kane reports.