Cholera is an infectious intestinal disease common in Southern Asia.
             Cholera is caused by a comma-shaped bacterium called Vibrio Choleras. The
             microorganism is transmitted by water or food that has been contaminated
             with the feces of people who have the disease. Cholera occurs when Vibrio
             Cholera enters the intestines and releases Cholera toxin. The toxin causes
             the intestine to secrete large amounts of water and salt. Because the
             intestine cannot absorb the water and salt at the rate they are secreted,
             the patient suffers severe diarrhea. This loss of fluid causes severe
             dehydration and changes in the body chemistry. If untreated, the illness
             can lead to shock and eventually death. With proper treatment, Cholera
             lasts only a few days. Prevention of Cholera requires adequate sanitation
             facilities. A vaccine against the illness has been developed, but it is
             not very effective. People who travel in areas where Cholera is widespread
             should not drink the local water. They should cook all foods that may have
             been exposed to water. Peru, already afflicted by economic ills and
             feastering guerilla insurgency, is now plagued by an epidemic of Cholera.
             As of February 25, 1991, the disease had claimed 90 lives and infected at
             least 14,000 people. It is the first major outbreak of Cholera in the
             western hemisphere since early in this century. In Peru, local authorities
             have moved quickly to stem the epidemic, which is spread by poor hygiene
             and contaminated water, raw food, and fish. To avoid spreading, health
             officials in Ecuador, Bolivia, and Chile, have prohibited the importation
             of uncooked Peruvian food products. Coastal waters have shown a high
             degree of contamination by testings. In early May 1991, as Cholera began to
             spread eastward into PeruÕs jungle, volunteer doctors from Lima began to
             navigate the rivers with boats of Peruvian Amazons, stopping at each silt-
             house hamlet ...