Biology for IGCSE & O level - Diseases And Immunity (Section 3 - No. 40)
What is a key preventative measure against the spread of cholera?
Using chlorine tablets to purify drinking water
Consuming raw meat
Sharing utensils
Coughing or sneezing in the direction of others
Explanation
Chlorine tablets purify water, killing the vibrio cholerae bacteria that cause cholera. The rest spread cholera, and are thus wrong.
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