Diarrhea: 6.0% (n = 68)Present on admissionAbdominal pain: 3.9% (n = 45)Present on admissionNausea: 11.7% (n = 134)Present on admissionVomiting: 10.4% (119)Present on admissionNausea and vomiting: 3.2% (n = 37)Present on admission183 patients presented with GI symptoms only (diarrhea, abdominal pain, nausea, vomiting, and/or loss of appetite). 96% of them had lung lesions on chest CT