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rapid blood test

US researchers develop rapid blood test for TB

WASHINGTON: US researchers on Monday said they have developed a fast blood test for tuberculosis that could speed diagnosis and treatment of the serious and sometimes fatal bacterial infection. One of the oldest known diseases, tuberculosis, or TB, has killed an estimated billion people over the past two centuries. A bacterial infection that attacks the lungs and can cause coughing, fever, night sweats and weight loss, TB is one of the top 10 causes of death worldwide today. Some 10.4 million people were sickened…