SAN CRISTOBAL, DOMINICAN REPUBLIC - MAY 02:  A viral contagious illness called Chinkungunya is declared today as an epidemic in the Dominican Republic, while many cases have been reported among the people on May 02, 2014 in San Cristobal, Dominican Republic. First cases have been spotted in Haina and Nigua, in the same province, since last month and have been increasing progressively, the virus is transmitted with a mosquito bite. (Photo by Santiago Vidal/LatinContent via Getty Images)