Answer:
(a) The person is suffering from cholera and it is caused
by bacterium Vibrio cholerae.
(b) Preventive measures to avoid this disease are
(i) 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.
(ii)Person should be immunised by cholera vaccine. One
dose of immunisation last for about six months.
(c) Control measures for this disease are
(i) For prevention, dehydration therapy with ORS (Oral
Rehydration Solution) should be done.
(ii) Antibiotics such as tetracycline kills bacteria of cholera.
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