Four cases of the chikungunya recently were confirmed in Montpellier, France, marking the first time locally transmitted cases of the disease has been found in the country since 2010.
Chikungunya is a viral disease acquired from infected mosquitoes. It can be fatal in rare cases, with symptoms consisting of ankle and wrist pain, high fever and headache. The symptoms most commonly appear four to seven days after an individual has been infected by a mosquito.
The Montpellier cases were confirmed by tests performed by the French National Reference Laboratory on Oct. 20. The World Health Organization said the onset of symptoms occurred between Sept. 20 and Oct. 12.
Due to the outbreak, French public health authorities have taken several protective measures, including vector control aimed at preventing local transmission, assessment of the risk of infection via blood donations and tissue donations, advice to health care practitioners on clinical case management, and providing information about the awareness of the cluster, the signs and symptoms of the disease, locations to seek care, and how to take preventative care.