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Two vaccines are available that give short-term, limited protection against cholera bacteria. Neither is currently available in the U.S. Booster doses are given regularly for people who remain in an area where cholera is a risk.
Travelers should always take precautions with food and drinking water, even if vaccinated.
When outbreaks of cholera occur, efforts should be directed toward establishing clean water, food, and sanitation, because vaccination is not very effective in managing outbreaks.
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