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TB no longer life-long in most people, says study

Nov 02, 2019 18:36 IST

According to a new study, by researchers from the University of Pennsylvania, tuberculosis may not be a life-long infection for most people as previously thought. The new study suggests that a majority of people will not develop the disease even if tests for latent TB show positive results. Based on a review of clinical studies, the research concludes that the infecting organism is likely to be dead or wiped out naturally by people's immune systems. But some people may retain an immunological memory to the disease, which could explain why standard TB tests show a positive result.

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