{"id":104041,"date":"2018-09-17T18:59:18","date_gmt":"2018-09-17T22:59:18","guid":{"rendered":"https:\/\/stateofthenation2012.com\/?p=104041"},"modified":"2018-09-17T19:00:53","modified_gmt":"2018-09-17T23:00:53","slug":"491000-children-paralyzed-over-17-years-indian-polio-vaccine-program-study-suggests","status":"publish","type":"post","link":"https:\/\/stateofthenation2012.com\/?p=104041","title":{"rendered":"491,000 Children Paralyzed Over 17 Years, Indian Polio Vaccine Program Study Suggests"},"content":{"rendered":"

\"\"<\/a><\/p>\n

By: Jefferey Jaxen
\nGreenMedInfo.com<\/p>\n

The WHO declared India “polio free” in May 2014, so why are close to half a million young Indians experiencing polio-like paralysis?<\/strong><\/em><\/p>\n

A new study titled\u00a0Correlation between Non-Polio Acute Flaccid Paralysis Rates with Pulse Polio Frequency in India<\/a><\/strong>\u00a0has recently been published in the\u00a0Journal of Environmental Research and Public Health<\/em>. Using data obtained from the National Polio Surveillance Programme (NPSP) as reported by the Government of India, the findings corroborate well over a decade of research showing a strong link between rates of non-polio acute flaccid paralysis (NPAFP) and India\u2019s oral\u00a0polio vaccine<\/a><\/strong>\u00a0(OPV) campaign. The incidence of polio acute flaccid paralysis (AFP) in India has decreased. However, the NPAFP rate has increased since 2000.<\/p>\n

In 2005<\/a><\/strong>\u00a0there was a sharp increase, more than doubling, in India\u2019s national NPAFP rate which coincided with the introduction of a high-potency monovalent\u00a0vaccine<\/a><\/strong>. The new vaccine contained five times the number of Type 1 viruses compared to the previously used one. Pulse polio immunization refers to periodically vaccinating all children under the age of five years against the polio virus. The study\u2019s authors\u00a0previously showed in 2012<\/a><\/strong>\u00a0that the subsequent \u2018pulses\u2019 sharply increased the rate of NPAFP when more than six rounds of pulse polio are used in the year.<\/p>\n

In the recent study, NPAFP rates in Indian states from 2000 to 2017 were examined and again found a high correlation between the number of pulse polio rounds conducted and the NPAFP rate in the state. The researchers state:<\/p>\n

“For each round of pulse polio there was an increase of 1.4 cases of NPAFP per under-15 population of 100,000. The highest NPAFP rates were seen in Uttar Pradesh and Bihar, where there was an increase of 2.7 cases of NPAFP per under-15 population of 100,000 for each round of pulse polio.”<\/strong><\/em><\/p><\/blockquote>\n

India has been\u00a0considered \u2018polio-free\u2019<\/a><\/strong>\u00a0for over 6 years. In the absence of wild polio transmission, it was expected that the AFP rate would reduce to around 2\/100,000 however that has not happened. The exaggerated NPAFP rates of anywhere between 6.43\/100,000 to 35\/100,000 found in the new study fall well above the expected rate of 2\/100,000.<\/p>\n

A total of 640,000 children developed NPAFP in the years 2000\u20132017, suggesting that there were an additional 491,000 paralyzed children above expected numbers for children with NPAFP according to the new study. The authors state:<\/p>\n

“\u2026our findings suggest that the increase in NPAFP (and the later decrease in such cases) was indeed an adverse effect of the pulse polio immunization programme.”<\/strong><\/em><\/p><\/blockquote>\n

\"\"Are these numbers just artifacts related to over-enthusiastic reporting by governments? An\u00a0analysis in 2005<\/a><\/strong>\u00a0showed that where one-fifth of the cases of NPAFP were followed up for 60 days in the Indian state of Uttar Pradesh, 8.5% of them had died, and 35% were found to have been left with residual paralysis. A\u00a02007 analysis<\/a><\/strong>\u00a0of NPAFP data from Uttar Pradesh found that the mortality rate in patients with NPAFP was twice the mortality rate for wild polio.<\/p>\n

The first detail that demands attention was that the rates of NPAFP were higher, more than doubling, which coincided with the introduction of the monovalent vaccine. Second, it was after India was declared \u2018polio-free\u2019 the NPAFP rate was shown to decline with a reduction in the pulse polio doses as the country tapered back the polio vaccine program. Although the AFP surveillance data from India does not provide information about the etiology of the NPAFP cases, OPV and its associated campaigns have been continually shown to leave increased rates of adverse effects across the globe. Will the World Health Organization take into account the body of scientific evidence showing issues with their polio campaigns? Will the Indian government and health authorities implement steps to intervene in their OPV campaigns to reduce NPAFP rates?<\/p>\n

___
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