WHO Plays Down Risk to Children Given Tainted Polio Vaccine in 3 Indian States
WHO Plays Down Risk to Children Given Tainted Polio Vaccine in 3 Indian States
The latest concerns emerged over the weekend after vaccines produced by privately-held Bio-Med Pvt Ltd and distributed as part of a free government drive to eradicate polio were found to have a strain of the virus that had been eradicated around the world and phased out of vaccines.

Mumbai: The World Health Organisation (WHO) has said that there was minimal risk of children contracting the polio virus in India from a tainted batch of vaccines.

The public health scare, which potentially affected thousands of children, put a renewed spotlight on lax pharmaceutical quality control procedures in India.

The latest concerns emerged over the weekend after vaccines produced by privately-held Bio-Med Pvt Ltd and distributed as part of a free government drive to eradicate polio were found to have a strain of the virus that had been eradicated around the world and phased out of vaccines.

The contaminated vaccines, manufactured by the Ghaziabad-based firm, was allegedly administered in Uttar Pradesh, Maharashtra and Telangana. After surveillance reports from UP hinted that the virus could have been reintroduced, the oral polio vaccines (OPV) were sent for testing, which confirmed that some of them were contaminated with type-2 virus.

Swinging into action, the union health ministry had set up a three-member committee to probe if the virus, which was officially eradicated in India in March 2014, has resurrected with the three batches of polio vaccines containing 1.5 lakh vials. Routine testing revealed it had made and shipped some 150,000 lots of oral polio vaccines.

However Shamila Sharma, a spokeswoman for the WHO, said any risk to children was "minimal" due to the high routine polio immunization coverage in India. The WHO funds and supports India's polio-control programme.

Health officials in New Delhi said they were investigating why and how Bio-Med was still producing such vaccines, and that the affected lots were being recalled. The Indian government had ordered this type of vaccine to be discontinued in 2016.

India, often dubbed the pharmacy of the world, is home to thousands of factories churning out drugs and vaccines for sale globally, but local regulation is lax. In recent years, US and European regulators have slammed many Indian drug factories for faulty manufacturing practices, often issuing warnings or bans.

"We don't have good quality control mechanisms," said Oommen Kurian, a health researcher at New Delhi-based Observer Research Foundation, adding the country also doesn't have the capacity to implement regulation.

Bio-Med and India's top drugs regulator, the Central Drug Standard Control Organisation, did not respond to requests for comment on Monday.

Some batches of typhoid vaccines produced by Bio-Med were also found to be "not-of standard quality" by the CDSCO earlier this year, according to a public notice by the agency dated March 14, 2018.​

(With inputs from Reuters)

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