India declared polio-free status in which year, and the WHO certified South-East Asia Region free of polio in:
- A India polio-free 2012; SEAR certified 2013
- B India polio-free 2013; SEAR certified 2015
- C India polio-free 2011; SEAR certified 2014 ✓
- D India polio-free 2010; SEAR certified 2012
Correct answer: C. India polio-free 2011; SEAR certified 2014
Explanation
India's last wild poliovirus case was recorded on January 13, 2011, in Howrah, West Bengal. WHO certified India polio-free in February 2012 after 3 years without a case. The entire WHO South-East Asia Region was certified polio-free by WHO in March 2014. India achieved this through intensified pulse immunization, surveillance, and use of bivalent OPV.
Reference: Park's Textbook of Preventive and Social Medicine, 27th ed.
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