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

Mosquito-borne viruses

Risk

  • Chikungunya Virus
  • Dengue Virus
  • Zika Virus

Risk applies all year in whole country.

Search for Mosquito-borne virus guidance

Reason for change:
'Tropical viruses' renamed 'Mosquito-borne viruses'
Version details:

GDRI Edition 002 Release 57 (11 August 2026)