Brief Communication

Association Between Collagenous and Lymphocytic Colitis and Risk of Severe Coronavirus Disease 2019

Conflicts of interest These authors disclose the following: Hamed Khalili has received consulting fees from Takeda and research funding from Takeda and Pfizer. Jonas F. Ludvigsson coordinates a study on behalf of the Swedish IBD quality register (SWIBREG) that has received funding from Janssen Corporation. Jonas F. Ludvigsson and Hamed Khalili receive National Institutes of Health funding from the National Institute of Aging (R01 AG068390) to study the relationship between medications, the gut microbiome, and microscopic colitis.

Funding This study was funded by Karolinska Institutet. Jonas F. Ludvigsson and Hamed Khalili receive National Institutes of Health funding from the National Institute of Aging (R01 AG068390) to study the relation ut microbiome, and microscopic colitis.

Authors share co-senior authorship.