Correction to: Mucosal Immunology; 12: 77–84; https://doi.org/10.1038/s41385-018-0097-1; published online 2 October 2018.

The original version of this Article contained an error in the spelling of the author Hannah Nguyen, which was incorrectly given as Hannah Ngyuen. This has now been corrected in both the PDF and HTML versions of the Article.