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Nat Rev Microbiol. 2009 Dec;7(12):845-55. doi: 10.1038/nrmicro2236. Epub 2009 Oct 26.

The spectrum of latent tuberculosis: rethinking the biology and intervention strategies.

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1
Tuberculosis Research Section, Laboratory of Clinical Infectious Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Maryland 20892, USA.

Abstract

Immunological tests provide evidence of latent tuberculosis in one third of the global population, which corresponds to more than two billion individuals. Latent tuberculosis is defined by the absence of clinical symptoms but carries a risk of subsequent progression to clinical disease, particularly in the context of co-infection with HIV. In this Review we discuss the biology of latent tuberculosis as part of a broad range of responses that occur following infection with Mycobacterium tuberculosis, which result in the formation of physiologically distinct granulomatous lesions that provide microenvironments with differential ability to support or suppress the persistence of viable bacteria. We then show how this model can be used to develop a rational programme to discover effective drugs for the eradication of M. tuberculosis infection.

PMID:
19855401
PMCID:
PMC4144869
DOI:
10.1038/nrmicro2236
[Indexed for MEDLINE]
Free PMC Article
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