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By physician referral or invitation only

A North American study of the digestive manifestations of COVID-19-II

During the COVID-19 pandemic, evidence has been gradually emerging indicating that gastrointestinal (GI) and liver symptoms and problems may play an important role in the disease, and there is growing concern that these effects may linger for extended periods, even long after recovery from the viral infection. The purpose of this study is to evaluate gastrointestinal disorders and digestive tract symptoms in people who have had COVID-19 in the past, as well as the after-effects on wellbeing and life functioning that may still remain after the illness, and to gain understanding of what factors determine the degree and nature of any such after-effects.

Age & Gender

  • 18 years ~ 99 years
  • Male, Female, Gender Inclusive

Contact the Team


Thank you for your interest, but this study is recruiting by invitation only.

United States (Nationwide), International (Canada)

Additional Study Information

Principal Investigator

Olafur Palsson

Study Type

Clinical or Medical

Study Topics

Chronic Conditions
Immune System/Infections
Kidneys and Liver

IRB Number


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