A) As per the health requirement of Aeronautical Information Publication (AIP), a Yellow fever vaccination certificate is required for travelers aged 9 months or over arriving from countries with risk of Yellow fever transmission and for travelers having transited for more than 12 hours through an airport of a country with risk of yellow fever transmission.
Countries with risk of Yellow fever transmission:
Africa: Angola, Benin, Burkina faso, Burundi, Cameroon, Central African Republic, Chad, Congo, Cote d’Ivore, Democratic Republic of Congo, Equatorial Guinea, Ethiopia, Gabon, Gambia, Ghana, Guinea, Guinea-Bissau, Kenya, Liberia, Mali, Mauritania, Niger, Nigeria, Senegal, Sierra Leone, South Sudan, Sudan, Togo and Uganda;
America: Argentina, Bolivia, Brazil, Colombia, Ecuador, French Guiana, Guyana, Panama, Paraguay, Peru, Suriname, Trinidad and Tobago (Trinidad only), Uruguay and Venezuela (Bolivarian Republic of Venezuela).
B) A proof of Polio vaccination with an International certificate of Vaccination is required for travelers travelling from following countries. All residents and long- term visitors (i.e. > four weeks) of all ages should have received the polio vaccine between four weeks and 12 months prior to travel and those undertaking urgent travel (i.e. within four weeks) should have received a dose of polio vaccine at least by the time of departure.
Countries with risk of Polio transmission:
Afghanistan, Benin, Burkina Faso, Cameroon, Central African Republic (CAR), Chad, Republic of Congo, Democratic Republic of Congo, Côte d’Ivoire, Egypt, Ethiopia, Gambia, Guinea, Guinea Bissau, Iran (Islamic Republic of), Kenya, Liberia, Madagascar, Mali, Mauritania, Niger, Nigeria, Pakistan, Senegal, Sierra Leone, Somalia, South Sudan, Sudan, Tajikistan, Uganda, Ukraine, Yemen.