Yellow Fever

  • Requirements: Required if traveling from a country with risk of YF virus transmission and ≥9 months of age, including transit >12 hours in an airport located in a country with risk of YF virus transmission. 1
  • Recommendations:
  • Generally not recommended for travelers going to the following states: Anseba, Debub, Gash Barka, Mae Kel, and Semenawi Keih Bahri.
  • Not recommended for all areas not listed above, including the Dahlak Archipelago (Map 4-13).


  • Areas with malaria: All areas <2,200 m (7,218 ft). None in Asmara.
  • Drug resistance 3: Chloroquine.
  • Malaria species: P. falciparum 85%, P. vivax 10%–15%, P. ovale rare.
  • Recommended chemoprophylaxis: Atovaquone-proguanil, doxycycline, mefloquine, or tafenoquine. 4