Includes Ko Samui and Phuket


The vaccines below are recommended for travellers to this country depending on their individual level of risk. Extended or frequent travel, travel to remote areas and patients visiting friends or relatives are examples of additional risk factors.

Use the risk assessment consultation to determine risk level.

Risk level Vaccines required
All travellers  
Sometimes advised for high risk Diphtheria
Hepatitis A
Hepatitis B
Highest risk Japanese Encephalitis
Yellow Fever No risk of yellow fever, however vaccination might be required for certificate purposes from a yellow fever area.

Check travel vaccine schedules.

Visit Fit for Travel website for non-vaccine preventable diseases prevalent in area


The information below identifies the risk of malaria and recommended prophylaxis regimens for different geographical regions within this country. View the malaria map to identify localities within risk areas.

Areas of risk Level of risk Recommended regimen Seasonal risk Drug resistance
Forrested and hilly areas close to borders of Cambodia and Myanmar, inland areas of Surat Thani province and parts of the southern border with Malaysia HIGH RISK MAL/DOX ALL CHLOR, MEF, QUININE
All other areas inc. cities of Bangkok, Chiang Mai, Chiang Rai, Mae Sot, Pattaya and Phuket, the islands of Phi Phi, Koh Samui and Koh Chang and the River Quai bridge area LOW/NO RISK AVOIDANCE ALL NONE

Visit Fit for Travel website for more information and malaria maps

For more help contact Information Services.