Travel health alerts
Disease outbreak alerts for Thailand
5 outbreaks reported for Thailand
Last checked against TravelHealthPro on 2026-07-17.
Zika
Reported 16 July 2026Spread by mosquito bites
As of 14 July 2026, a total of two cases of Zika virus disease linked to travel to Thailand, were reported in the UK in 2026.
No vaccine — how to stay safe
Avoid daytime mosquito bites. If you're pregnant or planning pregnancy, discuss travel with us first, and use condoms as Zika can pass sexually.
Chikungunya
Reported 29 December 2025Spread by mosquito bites
As of 29 December 2025, a total of 1,379 chikungunya cases have been reported in Thailand for 2025. Compared to the same period in 2024, the number of cases reported in 2025 is approximately double. The northern region, particularly Chiang Mai, is reporting the highest number of cases.
There's a vaccine for this
Spread by daytime-biting mosquitoes — repellent and covering up are key; a vaccine may suit some travellers.
Dengue
Reported 04 December 2025Spread by mosquito bites
As of 31 October 2025, a total of 51,795 dengue cases and 46 deaths have been reported in Thailand during 2025.
There's a vaccine for this
Spread by daytime-biting mosquitoes. Use a DEET repellent, cover up, and stay somewhere with screens or air-conditioning.
Severe fever with thrombocytopaenia syndrome
Reported 14 October 2025Reduce your risk while travelling
In June 2025, two laboratory-confirmed cases of severe fever with thrombocytopaenia syndrome (SFTS) were reported in Wang Pong District, Phetchabun Province in Thailand.
No vaccine — how to stay safe
Follow good food, water and insect-bite precautions, and speak to our travel health team about protecting yourself.
Rabies
Reported 11 September 2025Spread by animal bites or scratches
On 9 September 2025, a rabies alert was announced for several areas in Bangkok. People have been advised to avoid contact with stray animals and seek prompt medical advice if bitten or scratched.
There's a vaccine for this
Avoid touching animals (dogs, monkeys, bats). Wash any bite or scratch for 15 minutes and seek urgent care — a pre-travel vaccine simplifies treatment.
Travelling to Thailand?
Our travel health team will confirm exactly which vaccines and precautions are right for your trip in one short consultation.
Contains public sector information from TravelHealthPro (NaTHNaC), licensed under the Open Government Licence v3.0. © UK Health Security Agency. Open Government Licence v3.0. This page is general guidance, not medical advice — confirm what you need for your trip with our travel health team.