The cholera virus is scary, not true. Cholera is not caused by a viral infection, but is an intestinal infection caused by Vibrio cholerae infection. Cholera patients generally have a good prognosis after timely and effective treatment; however, severe dehydration and even circulatory failure can occur within a short period of time, leading to death. Currently, cholera has been effectively controlled in our country, and the patients are mainly of light type. 11 cases of cholera were reported in mainland China in 2020, with no fatal cases. 5 cases of cholera were reported in 2021, with no fatal cases. Cholera is a category A infectious disease, and cholera patients and Vibrio cholerae infected people are the main sources of infection. Mild patients may have no abdominal pain and diarrhea, mostly accompanied by vomiting, often without fever. Medium and heavy patients may have frequent and severe diarrhea, watery stools, mostly accompanied by vomiting, and may be dehydrated or even in shock. If you have vomiting, diarrhea and other uncomfortable symptoms, you must promptly seek medical attention.