The Foreign Office has issued a health alert following a ‘growing public health concern’ as ‘the world has faced an unexpected rise’ in cases and deaths from a life-threatening virus. The World Health Organisation is advising that approximately four billion people in 130 countries are at risk of dengue – a virus spread by mosquitoes found in tropical and subtropical regions worldwide, including parts of Europe.
An increase in dengue cases has been flagged around the world, including in Asia, Central and South America and across the Caribbean. Dengue is not endemic in Europe, says Travel Health Pro.But if environmental conditions are favourable in parts of Europe where mosquitoes which can carry dengue live, then travel-related cases may cause the spread of dengue locally. Several European countries have previously reported locally acquired cases of dengue.
What is dengue? Dengue is caused by a virus and is spread by the bite of an infected mosquito which mainly feed during daytime hours, says the alert published at the start of May on Travel Health Pro’s website. There are four different types of dengue virus: DENV- 1, DENV- 2, DENV- 3 and DENV- 4. “If illness develops, it usually begins suddenly with a high fever, severe headache, muscle and joint pain, nausea, vomiting and a rash. Most infections are self-limiting, with a rapid recovery three to four days after the rash appears,” reads the alert.
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