Focus must be on reducing vaccine-associated polio cases
Now that wild poliovirus type 3 has been officially declared as eliminated, the only way to reduce the risk of vaccine-associated polio cases is by switching over to oral vaccine…
Category: Poliovirus
Nigeria on the brink of becoming polio-free
On August 21 this year, Nigeria crossed an important milestone in the eradication of polio when it successfully completed three successive years without a single case of wild poliovirus. The…
India eradicated wild polio virus but at what cost
Despite oral polio vaccine causing vaccine-derived poliovirus (VDPV) and vaccine-associated paralytic poliomyelitis (VAPP) cases, India did not switch over from OPV to inactivated polio vaccine (IPV). While circulating VDPV strains…
Polio outbreaks in Congo raise global concern
The polio endgame is proving to be much more challenging with 28 children becoming paralysed by the circulating type 2 vaccine-derived polioviruses (cVDPVs) in the Democratic Republic of the Congo. It has…
When the media created the ‘wild’ type-2 polio virus
The last case of wild type-2 poliovirus was seen in West Bengal way back in 1999. Since then no child in the world has been stuck by wild type-2 poliovirus…
