Non-immunological facets of poliovirus vaccines

Failures of oral poliovirus vaccine lots in developing countries are explained by interference during their 'take' by other enteroviruses colonizing the host intestinal system. Oral poliovirus vaccines, on their part, have also exerted an interfering effect on multiplication of other enteroviruses. Apart from the intrafamilial enterovirus interference, oral poliovirus vaccine has not spared rotaviruses.