Name a diseas which has been eradicated from the world . State the principle behind its eradication
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a) Tetanus, diphtheria, whooping cough measles, polio and many others.
(b) Smallpox : Based on the principle of immunisation by vaccinations
(b) Smallpox : Based on the principle of immunisation by vaccinations
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Smallpox : immunisation by vaccinations._princple
....hope helps.....
....hope helps.....
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