Cholera is a bacterial infection of the small intestine caused by Vibrio cholerae. It causes watery diarrhea and vomiting which can lead to rapid dehydration. Primary treatment is oral rehydration solution. Typhoid fever is caused by Salmonella enterica and is transmitted by contaminated food or water. It causes fever and abdominal symptoms. Treatment includes antibiotics and oral rehydration. Oral rehydration therapy was developed in the 1970s in Bangladesh as a treatment for cholera and has reduced diarrhea related deaths worldwide.