As a service to our authors and readers, this journal provides supporting information supplied by the authors. Such materials are peer reviewed and may be re-organized for online delivery, but are not copy-edited or typeset. Technical support issues arising from supporting information (other than missing files) should be addressed to the authors.


Figure S1. ICOS deficiency does not affect susceptibility to H. polygyrus or S. mansoni infections, or S. mansoni-mediated pathology.

Figure S2. H. polygyrus infection expands both Helios+ and Helios- Foxp3+ Tregs in the MLN.

Figure S3. Representative FC staining for Foxp3 and IL-10 on LP CD4+ T cells.

Please note: Wiley Blackwell is not responsible for the content or functionality of any supporting information supplied by the authors. Any queries (other than missing content) should be directed to the corresponding author for the article.