IL10 and infection: We here for the first time investigated i) the colonization capacities and ii) clinical as well as iii) intestinal pro-inflammatory immune cell and cytokine responses upon infection of gnotobiotic IL-10−/− mice with the C. jejuni mutant strain NCTC11168::cj0268c, its complemented version NCTC11168::cj0268c-comp-cj0268c and the parental strain NCTC11168.