Which feature of the disease cholera decreases the spread of the pathogen Vibrio cholerae?
1 )
Immunity to cholera after vaccination is short lived, lasting less than two years after vaccination in 50% of people.
2 )
Up to 98% of people infected with Vibrio cholerae are symptomless carriers.
Cholera rapidly kills up to 50% of people with symptoms if they are not treated.
4 )
Simple rehydration therapy successfully treats about 99% of people with symptoms of cholera.
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