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Infected countries

Polio remains endemic in three countries – Afghanistan, Nigeria and Pakistan. Until poliovirus transmission is interrupted in these countries, all countries remain at risk of importation of polio, especially in the ‘poliovirus importation belt’ of countries from west Africa to the Horn of Africa.

Polio Public Health Emergency: Temporary Recommendations


National Immunization Day calendar

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.