GPT and COVID-19: In a large systematic review and meta-analysis of 47 studies conducted in 2020, that included 10,890 unique patients, GI symptoms (i.e., nausea, vomiting, abdominal pain, and diarrhea) were observed in less than 10% of patients with COVID-19, and abnormal liver enzymes and tests (aspartate aminotransferase (AST), alanine aminotransferase (ALT), and bilirubin) were observed in approximately 15%-20% of patients with COVID-19 [13].