Yellow Fever

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


  • Areas with malaria: All, except none in the city of Vientiane.
  • Estimated relative risk of malaria for US travelers: Very low.
  • Drug resistance 4: Chloroquine and mefloquine.
  • Malaria species: P. falciparum 65%, P. vivax 3 4%, P. malariae and P. ovale 1% combined.
  • Recommended chemoprophylaxis:
  • Along the Laos-Burma (Myanmar) border in the provinces of Bokeo and Louang Namtha and along the Laos-Thailand border in the province of Champasak and Saravan, along the Laos-Cambodia border, and along the Laos-Vietnam border: Atovaquone-proguanil or doxycycline.
  • All other areas with malaria: Atovaquone-proguanil, doxycycline, or mefloquine.


Brunette, Gary W., editor. "Laos." CDC Yellow Book, Centers for Disease Control and Prevention, 2018. Relief Central,
Laos. In: Brunette GW, ed. CDC Yellow Book. Centers for Disease Control and Prevention; 2018. Accessed March 25, 2019.
Laos. (2018). In Brunette, G. W. (Ed.), CDC Yellow Book. Available from
Laos [Internet]. In: Brunette GW, editors. CDC Yellow Book. Centers for Disease Control and Prevention; 2018. [cited 2019 March 25]. Available from:
* Article titles in AMA citation format should be in sentence-case
TY - ELEC T1 - Laos ID - 204315 ED - Brunette,Gary W, BT - CDC Yellow Book UR - PB - Centers for Disease Control and Prevention DB - Relief Central DP - Unbound Medicine ER -