Tuberculosis (TB) has plagued humans for millennia and it remains a leading cause of illness and death throughout the world. Although a TB vaccine has been available for about 100 years, it does not work to prevent pulmonary TB in adolescents and adults, which is the most common form of TB. Now thanks to the combined funding of the Wellcome and the Bill and Melinda Gates Foundation, a late-phase clinical trial of a new TB vaccine candidate may finally provide a tool to control this disease.
Mycobacterium tuberculosis, the bacterium that causes TB, was discovered by Robert Koch in 1882 and has caused more human deaths than any other pathogen. It is an unusual bacteria in that it grows slowly even under lab conditions. It infects cells and can become dormant. In other words, not everyone infected with TB gets sick. This dormant, or latent, form of TB can persist for life, but it can reactivate if a person’s immune system is weakened by something like HIV infection. For these and other reasons, TB is challenging to treat.
Medical Discovery News is a weekly radio and print broadcast highlighting medical and scientific breakthroughs hosted by professor emeritus, Norbert Herzog, and professor, David Niesel, biomedical scientists at the University of Texas Medical Branch at Galveston. Learn more at www.medicaldiscoverynews.com.
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General Henry Martyn Robert was put in charge of designing and overseeing the Galveston Seawall, Jetties, and Grade Raising. Although his time in Galveston was a blip on his radar, he and his guidelines are known around the world for the rules of parliamentary procedure that are followed in …
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