Shammo Khan walks into a dusty courtyard that reeks of garbage, searching for the fingerprint of a man exhausted by HIV, drug withdrawal, and the tuberculosis lesions hijacking his lungs. She opens her laptop on his rope bed, prods the emaciated man to log in on a fingerprint reader, and watches him slowly and painfully swallow a handful of TB drugs in an experimental program harnessing new technology to combat an ancient killer still ravaging India.
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