Outside the cluster of cinder block structures that make up Kano's Infectious Diseases Hospital, hundreds of sick children are lined up, awaiting treatment from Doctors Without Borders, the nonprofit group, which has set up a tent on hospital grounds.
"Although we believe there are still a few tuberculosis bacteria in his lungs, ongoing antibiotic therapy should kill those, " said Dr Gwen Huitt, director of the hospital's adult infectious disease care unit.