Figure 1From: Evaluation of Th1/Th2, regulatory cytokines and transcriptional factor FoxP3 in sheep immunized with a partially protective and non-protective vaccine and challenged with Fasciola hepaticaPhotomicrographs of the liver showing FoxP3 + cells (arrows) in the inflammatory infiltrates (I) of portal spaces in the uninfected control (A), infected control (B), vaccine 1 (C) and vaccine 2 (D) groups. ABC method, haematoxylin counterstain.Back to article page