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No threat to polio-free status of India: WHO

A girl receives polio vaccination drops during a house-to-house vaccination campaign in Yemen's capital Sanaa

New Delhi: Amidst concerns over resurfacing of polio cases in India, the WHO today said there is “no threat” to the polio-free status of all South East Asian region countries, including India, and the detection of a rare strain of the crippling disease is “not unusual”.

Noting that all the countries including India maintain a “high vigil” for the detection of the disease, the World Health Organisation’s South-East Asia Regional Office (WHO SEARO) said that no child has been afflicted by wild poliovirus since the last case was reported from West Bengal in January, 2011.

“All countries in the Region continue to maintain a very high vigil for poliovirus detection. As part of this, environmental surveillance collection of samples from sewage is being conducted regularly from 30 sites across seven states in India,” it said in a statement.

There is “no threat” to the polio-free status of all South East Asian region countries, including India, it added.

The statement comes after a 6-year-old child of Padrauna village in Gaisdi in Balrampur district in Uttar Pradesh was admitted to a hospital on suspicion of polio, following which the state health officials have sent a report to the WHO.

Prior to this case, vaccine-derived polio virus (VDPV) type 2 was detected in a sewage sample collected from a site in Hyderabad.

Following these cases, the Union Health Minister has initiated a probe and maintained that though it comes across thousands of such cases every year, none of them has been detected of polio.

WHO SEARO said that on very rare occasions, VDPVs are isolated from sewage samples, and prompt and adequate response to VDPVs detected in the samples in the past has prevented any spread of these viruses in the community.

“Such viruses have been detected from environmental samples only no children have been affected nor cases of paralysis associated.

“Detection of such rare VDPVs is not unusual or unexpected and robust short- and long-term management strategies are in place to adequately manage the small risks associated with such isolates,” it said. .

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