Laos - Geographical disease risk index

Malaria

Risk Category B

All year in most of the country.

Visitors to Vientiane, Bokeo and Houaphanh only, accept.

Search for Malaria guidance

Trypanosoma Cruzi

No Risk

West Nile Virus

No Risk

Viral haemorrhagic fever

No Risk

Tropical viruses

Risk

  • Chikungunya Virus
  • Dengue Virus
  • Zika Virus

Risk applies all year in whole country.

Search for Tropical virus guidance

Reason for change:
Clarification of all-year risk for tropical viruses
Version details:

GDRI Edition 002 Release 54 (19 January 2026)