how are nokubheka and bheki doing now? find out more.n interactive map showing where the disease has hit the hardest. >> when you start an xdr treatment... >> learn more about the spread of drug-resistant tb and the search for a better treatment. >> it's not fair. >> connect to thfrontline community, sign up for our newsletter, and follow us on facebook, twitter and pbs.org/frontline. >> frontlinis made possible by contributions to your pbs station from viewers like you. and by the corporation for public broadcasting. major support for frontliis provided by the john d. and catherine t. macarthur foundation, committed to building a more just, verdant and peaceful world. more information is available at macfound.org. additional funding is provided by the park foundation, dedicated to heightening public awareness of critical issues. the wyncote foundation. and by the frontline journalism fund, with major support from jon and jo ann hagler. and a grant from millicent bell, through: captioned by media access group at wgbh access.wgbh.org >> f