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Multi-Drug-Resistant TB Harder to Spread Among Close Contacts

Incidences of multi-drug resistant tuberculosis (MDR TB) are increasing, but British and Peruvian researchers are offering a glimmer of hope in the latest issue of PLOS Medicine. Caused by a bacterium that has evolved to become hard to kill with two or more mainstay antibiotics, MDR TB, the new study indicates, is actually less infectious than drug-susceptible TB among patients' close family members and friends. Almost a half-million cases of MDR...

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