Vaccination in the last century had resulted in 100% reduction in active cases across the globe for
Show Hint
- small pox
- hepatitis B
- tetanus
- tuberculosis
The Correct Option is A
Solution and Explanation
Step 1: Understand eradication.
Eradication means:
• Zero cases worldwide
• No natural occurrence of disease
Step 2: Analyze options.
• Smallpox → Completely eradicated (WHO, 1980)
• Hepatitis B → Still present
• Tetanus → Still occurs
• Tuberculosis → Still widespread
Step 3: Final conclusion.
Thus, the disease with 100% reduction is: \[ Smallpox \]
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