In the backdrop of some oral polio vaccine vials being found contaminated with the type-2 polio virus, the United Nations Children's Fund (UNICEF) and the World Health Organization (WHO) today reiterated India's status as a polio-free country.
In a joint statement, the UNICEF and the WHO said the risk of children getting vaccine derived poliovirus was "minimal" in India because of a high routine immunisation coverage in the country.
The two global agencies also asserted that all vaccines provided under the Universal Immunization Programme (UIP) are safe and urged people to get their children vaccinated not only for their protection but also to keep Indian polio free.
"Certified polio-free in March 2014, India continues to remain vigilant against all three types of polioviruses. The last polio case due to wild poliovirus in the country was detected on 13 January 2011," the statement said.
It stated that type 2 poliovirus containing vaccine has been phased out globally, and in India, in April 2016, as a part of the polio endgame strategy.
Like in other countries, bivalent oral polio vaccine (bOPV) has replaced the trivalent OPV (tOPV) in all polio campaigns and routine immunisation in India.
As advised by the India Expert Advisory Group, the country continues to conduct mass vaccination campaigns against polio, using bivalent oral polio vaccine (bOPV), to maintain high immunity.
Referring to the recent incident in which type 2 polio vaccine virus was found in some sewage and stool samples, the organisations said that detection of the virus demonstrates a robust polio surveillance system jointly managed by the health ministry, the WHO and partners.
A team of Indian Council of Medical Research, Drug Controller General of India and Ministry of Health investigated the matter.
"A few vials of bOPV, supplied by one manufacturer in India, were found to contain traces of Type 2 polio vaccine virus. The Ministry of health took immediate and decisive action withdrawing the vaccine supplied by this manufacturer from all states that it was supplied to.
"Despite the risk of vaccine derived polio being minimal, the immediate withdrawal of these vaccines demonstrates the commitment of the government to the health of children," the statement stated.
"In view of high routine immunization coverage being achieved in India under Universal Immunization Programme (UIP), the risk of children getting vaccine derived poliovirus is minimal," the statement added.
(Except for the headline, this story has not been edited by NDTV staff and is published from a syndicated feed.)
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