However, the level of viremia was significantly reduced (> 1 log) in mice receiving IL-10 blockade (1.6 × 105 ± 3.9 × 104 pfu/ml, n = 5, for LCMVClone13 infections vs. 2.3 × 104 ± 6.7 × 103 pfu/ml, n = 5, for LCMVClone13 plus anti-IL-10, p = 0.0076). Here, IL10 is linked to infection.