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CHOLERA: Everything You Need To Know

. Chapters 0:00 Introduction 0:49 Causes of Cholera 1:50 Symptoms of Cholera 2:36 Diagnosis and treatment for Cholera 3:11 Treatment for Cholera Cholera is an infection of the small intestine by some strains of the bacterium Vibrio cholerae.[4][3] Symptoms may range from none, to mild, to severe.[3] The classic symptom is large amounts of watery diarrhea that lasts a few days.[2] Vomiting and muscle cramps may also occur.[3] Diarrhea can be so severe that it leads within hours to severe dehydration and electrolyte imbalance.[2] This may result in sunken eyes, cold skin, decreased skin elasticity, and wrinkling of the hands and feet.[5] Dehydration can cause the skin to turn bluish.[8] Symptoms start two hours to five days after exposure.[3] Cholera is caused by a number of types of Vibrio cholerae, with some types producing more severe disease than others.[2] It is spread mostly by unsafe water and unsafe food that has been contaminated with human feces containing the bacteria.[2] Undercooked shellfish is a common source.[9] Humans are the only known host for the bacteria.[2] Risk factors for the disease include poor sanitation, not enough clean drinking water, and poverty.[2] Cholera can be diagnosed by a stool test.[2] A rapid dipstick test is available but is not as accurate.[10] Prevention methods against cholera include improved sanitation and access to clean water.[5] Cholera vaccines that are given by mouth provide reasonable protection for about six months.[2] They have the added benefit of protecting against another type of diarrhea caused by E. coli.[2] By 2017 the US Food and Drug Administration (FDA) had approved a single-dose, live, oral cholera vaccine called Vaxchora for adults aged 18–64 who are travelling to an area of active cholera transmission.[11] It offers limited protection to young children. People who survive an episode of cholera have long-lasting immunity for at least 3 years (the period tested.)[12]