Comment on

• IL-7 engages multiple mechanisms to overcome chronic viral infection and limit organ pathology.

  Pellegrini M, Calzascia T, Toe JG, Preston SP, Lin AE, Elford AR, Shahinian A, Lang PA, Lang KS, Morre M, Assouline B, Lahl K, Sparwasser T, Tedder TF, Paik JH, DePinho RA, Basta S, Ohashi PS, Mak TW. Pellegrini M, et al. Cell. 2011 Feb 18;144(4):601-13. doi: 10.1016/j.cell.2011.01.011. Epub 2011 Feb 3. Cell. 2011. PMID: 21295337