Cholera diarrhea is an infectious disease caused by the bacterium Vibrio cholerae. Cholera belongs to the group of acute intestinal infections and is characterized by rapid and painful watery diarrhea, acute thirst, severe profuse sweating against the background of pronounced symptoms of intoxication of the body. It is especially dangerous for children, the elderly and people with weak immune systems. In the absence of timely and adequate treatment, a severe process develops that can lead to life-threatening outcomes. Next, we will consider the main symptoms and methods of protection against this infection.