ALGERIA Yellow fever: A yellow fever vaccination certificate is required from travellers over 1 year of age coming from infected areas. Malaria: Malaria risk is limited. One small focus (P. vivax) has been reported in Ihrir (Illizi Department), but this is isolated and access is difficult. Recommended prophylaxis: none. AMERICAN SAMOA Capital: Pago Pago Altitude: 10 m Yellow fever: A yellow fever vaccination certificate is required from travellers over 1 year of age coming from infected areas.