Cholera is serious infection of the intestine.
The infection is called Vibrio cholerae and is usually caused through drinking contaminated water. The symptoms are a sudden, watery, diarrhoea which very rapidly dehydrates the body bringing the suffer to a state of shock with death following within 2 days. If diagnosed and treated rapidly with the replacement of body fluids, death is uncommon. Although not officially compulsory, cholera certificate can be requested at the borders. Yellow Fever Infection caused by a virus carried by monkeys, transmitted through mosquitos who carry the virus from the monkey to the human.