Zika virus in Thailand

Doctors in the United Kingdom, Germany and Israel have reported a total of 5 cases of Zika virus disease in people who travelled to Thailand between 16 March 2022 and 2 June 2022.

These travellers had visited Phuket, Phi Phi Island, Koh Samui, Khao Lak, Bangkok and Chang Mai, which suggests widespread continuing transmission of Zika virus (ZIKV) in Thailand.

ZIKV is transmitted by mosquito bites and in pregnancy may result in congenital Zika syndrome, with severe consequences for the baby.

Advice for Travellers

Aedes mosquitoes, which transmit ZIKV, are particularly persistent and aggressive biters. They bite between dawn and dusk. All travellers to countries that have reported ZIKV infection must consider:

• strict mosquito bite avoidance measures, especially pregnant travellers and those planning pregnancy
• using condoms and contraception if sexually active, to avoid the sexual transmission of ZIKV and the risk of ZIKV in pregnancy, during travel and on return for 2 months (if female) or 3 months (if male)
• travel insurance: pregnant women should check with their travel insurance company that they are covered under the policy before booking their trip, and be aware that the risk of ZIKV in any country may change during the time between planning the trip and travelling
• if there are any additional travel recommendations for pregnant travellers, those planning pregnancy and for preventing onward sexual transmission: these will be listed under the 'Emerging Health Risks' tab of TRAVAX country pages

See the Zika Virus infection page for further information.