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FEB 04, 2013 - Time

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What Researchers Can Learn from a Failed TB Vaccine Trial

A highly anticipated trial of a tuberculosis vaccine yields disappointing results. A vaccine designed to protect infants against tuberculosis (TB) isn’t as effective as researchers had hoped. The MVA85A shot, which contains a large snippet of the Mycobacterium tuberculosis bacterium, couldn’t mount a strong enough immune response in babies to protect them from infection. In the study, which was conducted in South Africa, 2,797 infants aged four to six months were randomly assigned to receive either the MVA85A shot or a placebo and were followed for up to three years. All lived in areas where ... Read More

Tags: What Researchers Can Learn from a Failed TB Vaccine Trial,  Tuberculosis Latest News