Correction to: An injectable subcutaneous colon-specific immune niche for the treatment of ulcerative colitis (Nature Biomedical Engineering, (2023), 10.1038/s41551-023-01136-9)

Correction to: Nature Biomedical Engineeringhttps://doi.org/10.1038/s41551-023-01136-9, published online 4 December 2023 In the version of the article initially published, duplicate images were inadvertently included in Extended Data Fig. 1 and Supplementary Figs. 25, 35 and 37. A detailed explanation of the errors is included in the Supplementary information accompanying this amendment. The figures have been corrected in the HTML and PDF versions of the article.