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The World Health Organization has reported the first-ever outbreak of dengue fever in Sao Tome and PrÃncipe. From 15 April 2022 to 17 May 2022, there have been 103 cases of dengue fever. No deaths have been reported.
Dengue is a viral infection found in tropical and sub-tropical climates worldwide. It is spread by Aedes mosquito bites and can cause a severe flu-like illness.
There is no vaccine against dengue licensed in the UK. Treatment is supportive only.
All travellers to endemic regions are potentially at risk of dengue fever and should be aware of this infection. Aedes mosquitoes are particularly persistent and aggressive. They bite between dawn and dusk.
Travellers developing a fever during or on return from travel are advised to seek medical attention as soon as possible.
For further information see TRAVAX dengue fever page.
