6. A person is suffering from watery diarrhoea, effortless vomiting without nausea, and loss of several litres of fluid take place
within hours. Name the disease and its causal organism.​

(i) The person is suffering from cholera and it is caused by bacterium Vibrio cholerae.
(ii) Preventive measures to avoid this disease are:
(a) Boiled water and cooked food should be taken in cholera prone areas. Good personal hygiene and proper sanitation in the community is necessary for protection against cholera

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