[Review of the studies on primary immunodeficiency disorder and vaccine-derived poliovirus].

On the last stage of Global Polio Eradication Initiative (GPEI), a number of cases with Primary Immunodeficiency (PID) disorder were detected excreting the Vaccine-derived Poliovirus (VDPV). Due to these cases can be prolonged or chronic excretion of the VDPV in the environment, all countries have to gradually focus on these cases and reconsidering the national strategies of polio vaccine in the post-eradication era themselves.