COVID-19(2) Eye abnormalities.(1) diarrhea(1) Middle East respiratory syndrome(1) hepatic manifestations(1) Coronaviruses(1) coronavirus disease-2019(1) nausea(1) SARS-CoV-1(1) gastrointestinal manifestations(1) conjunctivitis(1) abdominal pain(1) Severe acute respiratory syndrome(1) vomiting(1) SARS-CoV-2(1) MERS-CoV(1) anorexia(1)