Cholera is caused by the bacterium Vibrio cholera . This bacterium secretes a toxin that causes rapid loss of fluids from the small intestines. Cholera is not spread directly from one person to another. It is spread through food or water contaminated by fecal waste. It is common in countries that lack adequate sewage disposal.
A risk factor is something that increases your chances of getting a disease or condition.
Risk factors include:
- Eating contaminated food or fluids
- Eating raw or undercooked shellfish
- Living or traveling in areas where cholera is present
- Having blood group O—nine-fold increase in risk
- Having a compromised immune system
- Having low levels of stomach acid
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