French Polynesia's government says fifteen first endemic cases of Chikungunya virus have been detected on Tahiti.
A government statement says control measures have been implemented and further investigations will be conducted into the origin and extent of the transmission
It says most of the patients are from Teva i Uta, a small town in the south of Tahiti, the territory's most populated island.
The government is asking anyone who has joint pain and fever following a mosquito bite to seek medical attention.