On 13 January, 2012, India reached a major milestone in the history of polio eradication - a 12-month period without any case of polio being recorded. This date marks the unprecedented progress in India and is an endorsement of the effectiveness of the polio eradication strategies and their implementation in India.
· Cases in 2011 1 (last case 13 January 2011)
· Cases in 2010 42
· Cases in 2009 741
· Cases in 1995 50,000
· Cases in 1985 150,000
· Last wild poliovirus type 1 (WPV1) case was on 13 January 2011, Howrah, West Bengal.
· Last wild poliovirus type 3 (WPV3) case was on 22 October 2010, Pakur, Jharkhand .
· Last wild poliovirus type 2 (WPV2) case was on October 1999, Aligarh, Uttar Pradesh.
· Last positive case from monthly environmental sewage sampling (conducted in Delhi, Mumbai and Patna) was on November 2010, Mumbai.
Number of Oral Polio Vaccine (OPV) doses administered in 2011 was 900 million.
· Since the launch of the Global Polio Eradication Initiative in 1988, the incidence of wild poliovirus has reduced by 99 per cent – from 350,000 children paralyzed or killed annually in 125 countries in 1988 to 649 cases reported in 17 countries in 2011 (as of 14 February, 2012). In 2006, the number of polio-endemic countries (countries that have never stopped indigenous wild poliovirus transmission) was reduced to four – India, Nigeria, Pakistan and Afghanistan.
· One of the three types of wild poliovirus – wild poliovirus type
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