Correction to: Nature Medicine https://doi.org/10.1038/s41591-019-0509-0, published online 22 July 2019.

In the version of this article initially published, author Changtao Jiang was not indicated as a co-corresponding author. Additionally, in the y-axis label for Figure 4d, there was an error: “IL-22-AF647” was shown as “IIL-22-AF647.” These errors have been corrected in the HTML and PDF versions of the article.