El Salvador

Yellow Fever

  • Requirements: Required if traveling from a country with risk of YFV transmission and ≥1 year of age. 1
  • Recommendations: None.


  • Areas with malaria: Rare cases along Guatemalan border.
  • Estimated relative risk of malaria for US travelers: Very low.
  • Drug resistance 4: None.
  • Malaria species: P. vivax 99%, P. falciparum <1%.
  • Recommended chemoprophylaxis: Mosquito avoidance only.