Travellers to the Caribbean are being urged to take steps to avoid being bitten by mosquitoes to prevent catching the chikungunya virus.
The Foreign and Commonwealth Office has issued an updated travel advisory covering many Caribbean islands.
It warned of confirmed cases of chikungunya, which is spread by mosquitoes, and that the number of reported cases in the region is increasing.
Symptoms of the disease include fever, headache, fatigue, nausea, muscle pain, rash and joint pain. There is no specific anti-viral treatment for the infection.
Cases have been confirmed in Barbados, the Bahamas, Antigua and Barbuda, Grenada, Dominican Republic, Dominica, St Lucia, Jamaica, Guyana, Haiti, Trinidad and Tobago, St Kitts and Nevis, St Vincent and the Grenadines and Suriname, according to the FCO.