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  1. Which one among the following water-borne diseases is not caused by a bacteria ?
    1. Cholera
    2. Typhoid
    3. Bacillary dysentery
    4. Hepatitis A
Correct Option: D

Hepatitis A is caused by infection with the hepatitis A virus. The hepatitis virus is usually spread when a person ingests tiny amounts of contaminated faecal matter. The hepatitis A virus infects the liver cells and causes inflammation. The inflammation can impair liver function and cause other signs and symptoms of hepatitis A.



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