Polio remains endemic in two countries – Afghanistan and Pakistan. . In addition, in August 2016 WPV1 was detected in Nigeria. Nigeria was taken off the list of polio endemic countries in September 2015 because a year had passed with no reported cases of WPV1. WHO, with authorities across the region, is undertaking a thorough field investigation in order to inform a decision on Nigeria’s endemic status. Until poliovirus transmission is interrupted in these countries, all countries remain at risk of importation of polio, especially vulnerable countries with weak public health and immunization services and travel or trade links to endemic countries. Circulating vaccine-derived poliovirus is causing an outbreak in Madagascar, Guinea and Ukraine.
Syrian Arab Republic
This interactive calendar shows all planned supplementary immunization campaigns in countries. It is updated on a weekly basis. However, please note that dates are not always accurate, since they are often finalized just before the activity.
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