Each country of the world is assigned to one of 16 regions based on the regions and countries as listed on the CDC Traveler's Health website: http://wwwn.cdc.gov/travel/destinationList.aspx
| Australia and South Pacific |
East Asia (China, Hong Kong SAR, Japan, Macau SAR, Mongolia, North Korea, South Korea, Taiwan)
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Indian and South Asia (Afghanistan, Bangladesh, Bhutan, British Indian Ocean Territory, India, Maldives, Nepal, Pakistan, Sri Lanka)
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Southeast Asia (Brunei, Burma (Myanmar), Cambodia, East Timor, Indonesia, Laos, Malaysia, Philippines, Singapore, Thailand, Vietnam)
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| North America |
| Mexico, Central America, and Caribbean |
Tropical South America (Bolivia, Brazil, Colombia, Ecuador, French Guiana , Guyana, Paraguay, Peru, Suriname, Venezuela)
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Temperate South America (Argentina, Chile, Easter Island (Chile), Falkland Islands (U.K.), South Georgia, South Sandwich Islands, Uruguay)
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North Africa (Algeria, Canary Islands, Egypt, Libya, Madeira Islands, Morroco, Tunisia, Western Sahara)
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Southern Africa (Botswana, Lesotho, Namibia, South Africa, Swaziland, Zimbabwe)
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West Africa (Benin, Burkina Faso , Cote d'Ivoire (Ivory Coast) , The Gambia , Ghana, Guinea, Guinea-Bissau, Liberia, Mali, Mauritania, Niger, Nigeria, Saint Helena, Sao tome and Principe, Senegal, Sierra Leone, Togo)
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Central Africa (Angola, Cameroon, Central African Republic, Chad, Congo, Democratic Republic of Congo (Zaire), Equatorial Guinea, Gabon, Sudan, Zambia)
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East Africa (Burundi, Comoros, Djibouti, Eritrea, Ethiopia, Kenya, Madagascar, Malawi, Mauritius, Mayotte, Mozambique, Reunion, Rwanda, Seychelles, Somalia, Tanzania, Uganda)
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Middle East (Bahrain, Cyprus, Iran, Iraq, Israel, Jordan, Kuwait, Lebanon, Oman, Qatar, Saudi Arabia, Syria, Turkey, United Arab Emirates, Yemen)
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| Western Europe |
Eastern Europe and Former USSR
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