Thailand - Geographical Disease Risk Index
- Malaria
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Risk Category B
Risk Category explanation
A: Countries where the malarial risk is present in the whole country all year or with very clear seasonal guidance.
B: Countries where only parts of the country are affected.
C: Only part of the country is affected in discrete pockets, or the risk of infection is low, or that there are few visitors to the affected areas. It is likely that tourists who visit these countries will be able to donate but individual assessment must be applied. Donors are likely to have detailed knowledge of the malarial areas visited. Healthcare professionals should establish whether the donor sought advice prior to travel and if they were advised to take anti-malarial precautions.
All year in areas along the borders and in inland areas of Surat Thani province – refer to the Malaria Map.
From October 2021, there has been an outbreak of malaria in the Ranong, Songkhla and Trat provinces, including the island of Ko Chang. A risk should also be applied to these areas. (Note: an updated map is not available, therefore these areas are not shown in red on the map below).
Visitors to all other areas including the cities of Bangkok, Chiang Mai, Chiang Rai, Pattaya, Phuket, the island of Ko Samui and the River Quai bridge area, accept.
Previous Malaria Risk
- Until May 2012: all year in whole country.
- Trypanosoma Cruzi
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No Risk
- West Nile Virus
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No Risk
- Viral haemorrhagic fever
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No Risk
- Tropical viruses
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Risk
- Chikungunya Virus
- Dengue Virus
- Zika Virus
Malaria Map
- Version details:
GDRI Edition 002 Release 34 (21 July 2022)