Diarrhea: 10.3% (12)Present on admissionNausea and/or vomiting: 10.3% (12)Present on admissionAbdominal pain: 8.8% (10)Present on admissionNone of the patients had isolated GI symptoms or as the initial symptoms.31.9% reported GI symptoms. Median duration of GI symptoms was 1 day (IQR, 0–4).