Wild poliovirus type 2 was declared eradicated globally in which year?
- A 2004
- B 2013
- C 1999 ✓
- D 2019
Correct answer: C. 1999
Explanation
Wild poliovirus type 2 (WPV2) was declared eradicated in 1999 after the last case was detected in India in 1999. Wild poliovirus type 3 (WPV3) was declared eradicated in 2019. Wild poliovirus type 1 continues to circulate in Afghanistan and Pakistan. India was certified polio-free (from all wild poliovirus types) in 2014 by WHO.
Reference: Park's Textbook of Preventive and Social Medicine, 27th ed.
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