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Tuberculosis is caused by bacteria that usually attack the lungs, and is spread through the air when an infectious person coughs or sneezes. If not treated properly, it can be fatal. In the late 1800s ...

Tuberculosis continued to rise again in the U.S. last year, reaching its highest levels in more than a dozen years.

Tuberculosis is caused by bacteria that usually ... If not treated properly, it can be fatal. In the late 1800s, TB killed one out of every seven people living in the United States and Europe.