This list of high risk countries was last updated on March 8, 2023.
- Afghanistan
- Algeria (Southern and Easten borders as well as the Sahara Desert region)
- Armenia (border region with Azerbaijan)
- Azerbajian (border region with Armenia and the Nagorno-Karabakh region)
- Belarus
- Burkina Faso
- Burundi
- Central African Republic
- Chad
- China
- Colombia
- Congo, Democratic Republic of the
- Cote D'Ivoire (Northern border region)
- Crimea (Region of Ukraine)
- Cuba
- Egypt
- El Salvador
- Eswatini
- Ethiopia
- Guatemala
- Guinea-Bissau
- Haiti
- Honduras
- Hong Kong
- India (State of Jammu and Kashmir. 10 km of the India-Pakistan border)
- Indonesia
- Iran
- Iraq
- Israel, the West Bank and Gaza
- Kenya (Kenya-Somalia Border and Laikipia County)
- Kyrgyzstan (COVID-19)
- Lebanon
- Libya
- Macau
- Mali
- Mauritania
- Moldova (Tranistria breakaway region)
- Myanmar (Burma)
- Nicaragua
- Niger
- Nigeria
- North Korea
- Pakistan
- Peru (Columbian-Peruvian border as well as The Valley of the Apurimac, Ene and Mantaro Rivers (VRAEM))
- Philippines
- Russia
- Saudi Arabia
- Somalia
- South Sudan, Republic of
- Sudan
- Syria
- Tajikistan (border regions with Afghanistan)
- Tanzania
- Tunisia
- Turkey (Areas near the Syria and Iraq borders)
- Turkmenistan
- Uganda
- Ukraine
- United Arab Emirates
- Venezuela
- Yemen
Please visit the Department of State Travel Advisory website for more details.