We also measured the post-infection expression levels of Smed-runt1 (runt1) and Smed-egr2 (egr2), two early wound response genes in planarians (Sandmann et al., 2011; Wenemoser et al., 2012; Wurtzel et al., 2015; Owlarn et al., 2017). Here, EGR2 is linked to infection.