Chikungunya

Chikungunya (/ˌtʃɪkənˈɡʌnjə/ CHI-kən-GUUN-yə; Makonde for “that which bends up”) is an infection caused by the Chikungunya virus. It features sudden onset fever usually lasting two to seven days, and joint pains typically lasting weeks or months but sometimes years. The mortality rate is a little less than 1 in 1000, with the elderly most likely to die.