Next to respiratory disease, this novel beta coronvirus can also cause gastrointestinal symptoms.167,168 Indeed, angiotensin-converting enzyme 2 (ACE2) the receptor through which SARS-CoV2 enters the host cells169,170 is not only found in the airways, but also on enterocytes.171,172173–182 Following infection, SARS-CoV2 significantly alteres the metabolism of L-arg. The gene discussed is ACE2; the disease is respiratory system disorder.