 Partners In Health described the health gains "among the most dramatic the world has seen in the last 50 years".Despite these improvements, however, the country's health profile remains dominated by communicable diseases, and the United States Agency for International Development has described "significant health challenges", including the rate of maternal mortality, which it describes as "unacceptably high", as well as the ongoing HIV/AIDS epidemic.According to the American Centers for Disease Control and Prevention, travelers to Rwanda are highly recommended to take preventive malaria medication as well as make sure they are up to date with vaccines such as yellow fever.