Although the Reves Center constantly monitors any news regarding health warnings that have been issued or even a situation that might affect you.
That said, it's important for anyone considering or planning travel abroad to become acquainted with health issues, diseases and precautions that exist in other countries. Here are some good sources of information:
U.S. Department of State Travel Warnings Americans must avoid or consider risk of travel to certain countries
World Health Organization International Travel and Health Site Health risks for travelers, travel requirements, and recommendations
Center for Disease Control and Prevention Travel health information and tips, including vaccines, medications, trip preparation, etc.
CDC Destination Guide Travel health information by location
CDC Vaccination Information Vaccination information by country, checklists and other helpful information