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Which deadly disease has been completely eradicated by vaccination?

AMeasles
BSmallpox
CRabies
DTetanus
Answer & Solution
Correct answer: B. Smallpox
1. Polio and diphtheria are largely controlled. 2. Smallpox has been eradicated. 3. Vaccines rely on immune memory. _Source: syllabus Biology, Chapter 8, Human Health and Disease._
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