Dengue in Sao Tome and Principe

27 May 2022

The World Health Organization has reported the first-ever outbreak of dengue fever in Sao Tome and Príncipe. 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 mosquito bites and can cause a severe flu-like illness.

Dengue is an infection found in tropical and sub-tropical climates worldwide. It is spread by mosquito bites and can cause a severe flu-like illness.

There is no vaccine against dengue available in the UK. 

Advice for Travellers

The mosquitoes which transmit dengue bite during the day, between dawn and dusk.  They are particularly persistent and aggressive.

If you are travelling to an affected region, you are potentially at risk of dengue fever and should be aware of this infection.

• You should protect yourself by avoiding mosquito bites at all times.

If you develop a high temperature (fever) either during or after travelling to an affected area, you should seek medical advice as soon as possible and give details of your recent travel history.

For further information see the dengue fever page.