Rise of multi-drug resistant strains of tuberculosis could derail global efforts to eradicate the disease, according to a new report

TB kills more people every year than any other infectious disease, including Aids, says the report - an estimated 1.8 million people in 2015.
TB kills more people every year than any other infectious disease, including Aids. In 2015, the toll was estimated at 1.8 million people. Photograph: Cris Bouroncle/AFP/Getty Images