Link to Pubmed [PMID] – 21616441
Immunity 2011 May;34(5):699-701
In this issue of Immunity, Egen et al. (2011) provide compelling evidence that only a minute fraction of mycobacteria-specific T cells present in a granuloma are actively fulfilling effector functions, an observation that may in fact be a general feature of chronic infections.
http://www.ncbi.nlm.nih.gov/pubmed/21616441