TIL that doctors have “estimated that up to one-third of the world’s population is infected with M. tuberculosis”. Most of these infections are asymptomatic and do not cause or spread disease, but the bacteria can spontaneously reactivate at any time leading to new outbreaks.

Read more: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC98451/#B21

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  1. For the specific quote that supports this:

    >In approximately 5 to 10% of latently infected persons, the infection will reactivate and cause active tuberculosis (71). It has been estimated that up to one-third of the world’s population is infected with M. tuberculosis, and this population is an important reservoir for disease reactivation (21). Understanding latent and reactivation tuberculosis, at the level of both the host and the bacillus, is crucial to worldwide control of this diseas

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