Puerto Rico has reported its first case of cholera imported by a recent traveler to the island of Hispaniola, where a cholera outbreak began in October, the Associated Press/Washington Post reports.

Health Secretary Lorenzo Gonzalez Feliciano said Monday that a 70-year-old man who had visited the Dominican Republic for a week is hospitalized in San Juan with the disease. “Health officials believe the disease is unlikely to spread because of better sanitation in the U.S. island,” the news agency reports (7/4).