You can learn a lot about your host country before you even leave home.
Country-specific Information Pages from the U.S. Department of State. These pages include information such as country descriptions, entry/exit requirements, medical insurance, and special circumstances.
The Centers for Disease Control and Prevention (CDC) and the World Health Organization (WHO) will give you accurate and updated information about any health risks related to the country or countries you will be visiting. On these websites you can also check for travel health notices and warnings for your destination. The information is updated regularly.
Find out if your destination is at a higher risk for certain natural disasters on the U.S. Department of State website in the “Special Circumstances” section. For information about types of natural disasters, what to do to prepare in case one happens, and what to do afterwards, see the CCD Natural Disasters and Severe Weather website.
Go to the U.S. Department of State website to learn about common travel safety concerns, the current travel warnings (long-term conditions that make a country dangerous or unstable or short-term conditions that are risks to the security of U.S. citizens, such as natural disasters, etc.)