What is cholera? | Gastrointestinal system diseases. Here, I have a picture of Dr. John Snow, and this is not the famous character from Game of Thrones, but a doctor from the 1800s who discovered the cause of the London cholera epidemic.. He traced it to the poor sewer, waste, and water management of the city. And in doing so, his discovery allowed for the improvement of water sanitation and waste management. Therefore, cholera is caused by the bacteria Vibrio cholerae, and…
