TB Bacterium Uses Its Sugar Coat To Sweeten Its Chances Of Living In Lungs

Common strains of tuberculosis-causing bacteria have hijacked the human body's immune response to play tricks on cells in the lungs, scientists say. The results of this takeover are mixed. The cells essentially welcome the bacteria into the lungs and invite them to stay a while, meaning the human host becomes infected with the TB bacterium. But in about 90 percent of these cases, the infection remains latent and the infected person never has any symptoms of illness.

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