Polio Vaccine Requirements
In November 2018, WHO released updated Polio vaccine recommendations.
Temporary Polio vaccine recommendations affect the following countries: Afghanistan, Democratic Republic of the Congo, Kenya, Niger, Nigeria, Pakistan, Papua New Guinea, and Somalia.
Long-term travelers (staying >4 weeks) to Afghanistan, Nigeria, Pakistan, Papua New Guinea, and Somalia may be required to show proof of Polio vaccination when leaving these Polio-infected countries. To meet these requirements travelers should receive the Polio vaccine between 4 weeks and 12 months before the date of departure from these Polio-infected countries.