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A disease against which vaccination is resorted only during epidemics is ___________(a) Diarrhoea(b) Tuberculosis(c) AIDS(d) CholeraI had been asked this question in semester exam.The query is from Human Health and Disease in section Human Health and Disease of Biology – Class 12 |
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Answer» RIGHT choice is (d) CHOLERA Explanation: A disease against which vaccination resorts only during epidemics is Cholera. Vaccination against cholera gives immunity for only a few months. It is useful, especially during epidemics. Chlorination or ozone treatment of WATER, BOILED water, disinfected food are measures ESSENTIAL for prevention. |
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