TNF and inflammatory bowel disease: A nationwide retrospective study of persons with IBD with a mean age of 63.0, using the Veterans Affairs dataset, revealed that exposure to thiopurines (OR: 0.962; 95% CI: 0.230, 4.027) or anti-TNF therapy (OR: 0.581; 95% CI: 0.174, 1.939) was not associated with an increased risk of contracting COVID-19 (36).