Risk / Health Info for Tonga

You will need a few immunisations for Tonga. The healthcare facilities are basic and modern equipment is in short supply and you may have to be evacuated if you require complicated treatment.

Dengue fever in Tonga

There have been cases of the mosquito-borne virus dengue fever in Tonga. Dengue fever is also known as breakbone fever because of the severe bone, joint and muscular pains it causes, in addition to flu-like fever and headache. There is no vaccine for dengue fever. Avoid mosquito bites by using insect repellents (50% DEET) and by wearing protective clothing. Sleeping with mosquito nets is also recommended.

Zika in Tonga

Global Affairs Canada has issued a warning about the risk of contracting Zika in Tonga. Zika is a viral disease spread by mosquitoes, and infection during pregnancy has been linked to birth defects. Women who are pregnant or planning to get pregnant should take advice before travelling to Tonga. Zika symptoms include rash, itch, mild fever, headache, red eyes, muscle and joint pains. Avoid mosquito bites by using insect repellents (50% DEET) and by wearing protective clothing. Mosquito nets and air conditioning should be used when sleeping.

Chikungunya virus in Tonga

Cases of Chikungunya virus have been reported in Tonga. It is spread by day-biting mosquitoes and you can guard against infection by covering up and using mosquito repellents. Infection results in joint pains, fever, rash and headache. It clears up after a few days, but some patients are left with swollen and painful joints for weeks or even years afterwards.