A mosquito is bloated with blood as it inserts its stinger into human flesh in this undated photo released by the United States Department of Agriculture. Gabon’s government said Friday it had taken measures to protect against the chikungunya virus after initial tests indicated it had arrived in the western African nation for the first time.(AFP/USDA-HO/File)
The mosquito-borne virus has traditionally been present in eastern Africa, southeast Asia and the Indian subcontinent. It causes fever, headaches and muscle pain, and gets its name from a Swahili word meaning “that which bends up” because of the arthritic-type symptoms that leave victims stooped.
Most patients eventually recover.