New TB treatment limits infection while reducing drug resistance

It's estimated that nearly one-third of the world's population -- more than two billion people -- are infected with Mycobacterium tuberculosis. According to the World Health Organization, 5 to 10 percent of infected people eventually develop active tuberculosis and can transmit the bacterium to others. Almost two million die from the disease each year. But the current treatment regimen for the disease is long and arduous, making patient compliance difficult. As a result, some strains of the bacteria have become resistant to many or all of the available antibiotics.

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