Thailand Travel Health Guide
Moderate risk
Thailand carries a CDC Level 1 travel health notice. Malaria risk exists primarily in border provinces with Burma, Cambodia, and Malaysia. Key travel vaccines: COVID-19, Hepatitis A, Hepatitis B.
Overall risk
Moderate risk
Malaria
Present
Best time to visit
Year-round
Recommended vaccines
Routine Vaccines
Make sure all routine vaccines are up to date including chickenpox, tetanus, flu, MMR, polio, and shingles.
COVID-19
Stay up to date with COVID-19 vaccines before traveling.
Hepatitis A
Hepatitis A vaccine is recommended for all travelers to Thailand. Infants 6-11 months should also get vaccinated.
Hepatitis B
Hepatitis B vaccine is recommended for travelers under 60. Those 60 and older may also consider vaccination.
Measles
Measles vaccination is recommended for all travelers due to rising cases worldwide. Infants 6-11 months should get an early dose.
Typhoid
Typhoid vaccine is recommended for most travelers to Thailand, especially if staying with friends/relatives or visiting smaller cities or rural areas.
Chikungunya
Chikungunya vaccination may be considered if staying 6 months or longer due to elevated risk in Thailand.
Cholera
Cholera vaccine is not recommended as there is no active cholera transmission in Thailand.
Japanese Encephalitis
Japanese encephalitis vaccine is recommended for long-term stays (1+ month) or high-risk activities like rural travel, hiking, or staying in places without screens.
Rabies
Rabies pre-exposure vaccination should be considered based on your activities and access to medical care. Rabies vaccines are typically available throughout Thailand if needed after exposure.
Yellow Fever
Yellow fever vaccine is not recommended for Thailand itself, but is required for entry if coming from countries with yellow fever risk, including airport layovers over 12 hours.
Disease risks
Malaria
Malaria risk exists primarily in border provinces with Burma, Cambodia, and Malaysia. Antimalarial medication is recommended for these high-risk border areas. Low risk in other parts of Thailand including Bangkok, Chiang Mai, and popular islands.
Traveler's Diarrhea
All areas except Bangkok, Chiang Mai, Phuket; high risk from street food in rural areas and Bangkok.
Malaria risk
Malaria is present in this destination. Prophylaxis medication is recommended.
Malaria risk exists primarily in border provinces with Burma, Cambodia, and Malaysia. Antimalarial medication is recommended for these high-risk border areas. Low risk in other parts of Thailand including Bangkok, Chiang Mai, and popular islands.
Emergency numbers
Police
191
Medical / Ambulance
1669
Fire
199
Tourist Police
1155
U.S. Embassy
+66-2-205-4000
More country guides
Brunei Darussalam carries a CDC Level 1 travel health notice. No malaria risk. Key travel vaccines: COVID-19, Hepatitis A, Hepatitis B. Yellow fever vaccine not needed from US, but required if coming from countries with yellow fever risk or long layovers there
Cambodia carries a CDC Level 1 travel health notice. Malaria risk exists primarily in rural and forested areas of Cambodia. Key travel vaccines: COVID-19, Hepatitis A, Hepatitis B.
Christmas Island carries a CDC Level 1 travel health notice. No malaria risk. Key travel vaccines: COVID-19, Hepatitis A, Hepatitis B.
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Build my Trip KitSources: CDC Travelers' Health · WHO International Travel and Health. Last updated 2026-07-31. Health conditions and entry rules change — verify with the CDC, WHO and your destination’s authorities before travel. This page is informational and not a substitute for advice from a travel-medicine provider.