Table 1. Histopathological changes in livers from WT and PD-L2 KO mice infected with F. hepatica.

	WT	PD-L2 KO
Necrosisa	+++	++++
Wormsa	++	++
Inflammatory infiltratea	+++	++++
(main cell type)b	(PMN/Mo/Eo/Ly)	(PMN/Mo/Eo/Ly)
Hemorragic focia	+	+++
Fibrosisa	+	+++

^aScale: + mild, ++ moderate; +++ severe; ++++ very severe.

^bPMN: Polymorfonuclear cells; Mo: monocytes; Eo: eosinophils; Ly: lymphocytes.