The initial symptoms of Omicron may be diarrhea. The Omicron strain belongs to a mutated strain of the New Coronavirus, which is characterized by high transmissibility and a short incubation period. Clinical symptoms are mainly upper respiratory symptoms, including cough, itchy throat, and moderate fever. A small number of patients may also experience gastrointestinal symptoms usually manifested as nausea and vomiting, diarrhea and so on. Patients infected with Omicron need to rest in bed first and ensure balanced nutrition. Antiviral treatment, including ritonavir tablets, should be administered under the supervision of a doctor. If the above symptoms occur, it is recommended to consult a doctor promptly. If the diagnosis is confirmed, the first thing to do is to do a good job of isolation, and follow the doctor’s instructions for treatment. In daily life, you need to protect yourself in time, avoid gathering in crowded places, pay attention to disinfection, and wear a mask when you go out.