This unpleasant virus is spread through mosquito bites; it’s usually mild but it can be fatal. Symptoms include fever, severe headache, pain behind the eyes, muscle and joint pain, nausea and a red rash.
Learn more
Between 100 and 400 million people are infected with dengue fever every year.1
When they’re bitten by infected mosquitoes which carry the virus.1
Most parts of Central and South America and some African and Asian countries (see map).2
A very high temperature (more than 40°C) with a severe headache, pain behind the eyes, muscle and joint pains, nausea, vomiting, swollen glands or rash.1,4
In most cases, dengue is mild and people show symptoms up to around a week, but in rare cases it can be life-threatening. In severe cases, fluid accumulates in the lungs causing breathing problems. Dengue can also cause bleeding and organ impairment.1