Epidemiologists at the University of Stellenbosch, near Cape Town, South Africa, have assembled a vast collection of tuberculosis strains. With it, they're revealing how drug-resistant strains evolve and spread through human populations. Charlie Schmidt reports.
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Schmidt, C. An evolving threat. Nat Med 14, 904–907 (2008). https://doi.org/10.1038/nm0908-904
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DOI: https://doi.org/10.1038/nm0908-904