A committee has been created by Uttar 's union health ministry to investigate whether three batches of contaminated polio vaccines administered in Ghaziabad Pradesh have caused the disease to re-emerge in the country, which was declared polio-free by the World Health Organisation in March 2014 . New Delhi: India may lose its 'polio-free' status as at least three contaminated batches of vaccines have been found with type 2 virus. A director of India -based the World Health Organisation , which produced the vaccines, has been arrested, while three other accused directors have absconded.
A committee has been created by Uttar 's union health ministry to investigate whether three batches of contaminated polio vaccines administered in Ghaziabad Pradesh have caused the disease to re-emerge in the country, which was declared polio-free by the World Health Organisation in March 2014 . A director of India -based the World Health Organisation , which produced the vaccines, has been arrested, while three other accused directors have absconded.