Challenges (Polio)

Submitted by dinara on Sun, 11/06/2017 - 06:06

In 2020, a significant milestone is expected for polio eradication and global health: the certification of the WHO African region as free wild poliovirus (WPV). This remarkable success is thanks to the mass immunization of millions of children using the oral polio vaccine (OPV). However, a rare strain of circulating vaccine-derived polioviruses (cVDPVs) affecting under-immunized communities still needs to be addressed.

Circulating vaccine-derived polioviruses (cVDPVs)