Chikungunya is a viral disease transmitted to humans by infected mosquitoes. It is caused by the chikungunya virus (CHIKV).
The name "chikungunya" derives from a word in the Kimakonde language, meaning "to become contorted", describing the stooped appearance of sufferers with joint pain.
Symptoms include:
1. Sudden onset of fever
2. Severe joint pain
3. Muscle pain
4. Headache
5. Nausea
6. Fatigue
7. Rash