The Centers for Disease Control has confirmed the first case of the Ebola virus in the United States. Here is advice from the CDC on how to protect yourself against the illness, especially when traveling overseas to an affected area.
According to the CDC, U.S. citizens should avoid all nonessential travel to Guinea, Liberia, and Sierra Leone, and take enhanced precautions when visiting Nigeria.
For travel notices and other information for travelers, visit the Travelers' Health Ebola web page.