IL-33 facilitates rapid expulsion of the parasitic nematode Strongyloides ratti from the intestine via ILC2- and IL-9-driven mast cell activation. - Meiners, Jana; Reitz, Martina; Rüdiger, Nikolas; Turner, Jan-Eric; Heepmann, Lennart; Rudolf, Lena; Hartmann, Wiebke; McSorley, Henry J.; Breloer, Minka (PLoS Pathogens, 2020)