Statement by WHO and UNICEF Polio vaccination programme


NEW DELHI, 11 October 2018: 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.
Type 2 poliovirus containing vaccine has been phased out globally, and in India, in April
2016, as a part of the polio End Game strategy. As elsewhere, bivalent oral polio vaccine
(bOPV) has replaced the trivalent OPV (tOPV) in all polio campaigns and routine
immunization in India.
As advised by the India Expert Advisory Group, India continues to conduct mass
vaccination campaigns against polio, using bivalent oral polio vaccine (bOPV), to maintain
high immunity against polio. Two nationwide campaigns and a sub-national campaign have
already been conducted in 2018. As a part of efforts to maintain high immunity against all
polioviruses, India provides inactivated poliovirus vaccine (IPV) and bOPV to all infants
across the country under routine immunization.
Recently, Type 2 polio vaccine virus was found in some sewage and stool samples. The
detection of Type 2 vaccine virus demonstrates a robust polio surveillance system jointly
managed by the Health Ministry, WHO and partners.
A team of Indian Council of Medical Research, Drug Controller General of India and Ministry
of Health & Family Welfare 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 & Family Welfare 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.
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. All vaccines provided under the UIP are safe. Ensuring your child is vaccinated
against Polio is not only essential for his/ her protection but also important to keep India
Polio Free.
WHO and UNICEF stand committed to support the government in maintaining a Polio-free
India.

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