I found this from the UK.
https://www.crohnsandcolitis.org.uk/news/updated-wuhan-novel-coronavirus-advice"• Immunosuppressive medicine for Crohn’s and Colitis includes azathioprine, mercaptopurine, methotrexate, cyclosporin, infliximab, adalimumab, golimumab, ustekinumab, prednisolone, and budesonide. See our treatments pages for information about these medicines and how they may affect you.
• People taking immunosuppressants for their Crohn’s Disease or Ulcerative Colitis are not at increased risk of catching Wuhan novel coronavirus, however they may be at extra risk of complications from the virus if they are infected.
• In the majority of cases, you will be advised to continue with your current treatment as there is the potential for a flare of your IBD and subsequent need for drugs such as steroids if maintenance treatment is stopped.
• People on immunosuppressants should seek advice by telephone if they develop symptoms of either seasonal Influenza or Wuhan novel coronavirus. "