CDC

There are confirmed and suspect cases of diphtheria in the Kankan region of Guinea. Vaccination against diphtheria is essential to protect against disease. If you are traveling to an affected area, you should be up to date with your diphtheria vaccines.

There are outbreaks of clade II mpox in Liberia and Sierra Leone, where mpox is endemic. Country List : Sierra Leone, Liberia

There is an outbreak of clade II mpox in Sierra Leone, where mpox is endemic.

Dengue is a year-round risk in many parts of the world, with outbreaks commonly occurring every 2–5 years. Travelers to risk areas should prevent mosquito bites. Country List : Colombia, Ecuador, including the Galápagos Islands, Guatemala, Panama, Sudan, French Polynesia, including the island groups of Society Islands (Tahiti, Moorea, and Bora-Bora), Marquesas Islands (Hiva Oa and Ua Huka), and Austral Islands (Tubuai and Rurutu), Philippines, Fiji, Comoros, Tonga, Samoa, Cook Islands (New Zealand), Kiribati (formerly Gilbert Islands), includes Tarawa, Tabuaeran (Fanning Island), and Banaba (Ocean Island), Bangladesh, Mali, Tuvalu

Areas in several countries are reporting a low number of cases of Oropouche. Oropouche is spread primarily through the bites of infected midges (small flies) and mosquitoes. Country List : Brazil, Colombia, Peru, Cuba, Panama

There is an outbreak of chikungunya in the department of Santa Cruz in Bolivia.

There are outbreaks of Oropouche in Espírito Santo, Brazil, and Darién Province, Panama. Oropouche is spread primarily through the bites of infected midges (small flies) and mosquitoes. Country List : Brazil, Panama

Some international destinations have circulating poliovirus. Before any international travel, make sure you are up to date on your polio vaccines. Country List : Afghanistan, Algeria, Benin, Cameroon, Chad, Côte d'Ivoire (Ivory Coast), Democratic Republic of the Congo, Mozambique, Niger, Nigeria, Pakistan, Somalia, Yemen, Indonesia, Sudan, Mali, Kenya, Guinea, Egypt, Zimbabwe, Angola, Liberia, Senegal, Sierra Leone, Ethiopia, The Gambia, Republic of South Sudan, Uganda, French Guiana (France), Djibouti, Equatorial Guinea, Ghana, Spain, Israel, the West Bank and Gaza, Finland, Germany, Poland, United Kingdom, including England, Scotland, Wales, and Northern Ireland, Burkina Faso, Papua New Guinea

There are outbreaks of chikungunya in Kenya, Madagascar, Mauritius, Mayotte, Réunion, Somalia, and Sri Lanka. Mosquitoes spread the virus that causes chikungunya. Country List : Réunion (France), Mayotte (France), Mauritius, Sri Lanka, Somalia, Kenya, Madagascar

Measles cases are rising in many countries around the world. All international travelers should be fully vaccinated against measles with the measles-mumps-rubella (MMR) vaccine, according to CDC's measles vaccination recommendations for international travel. Country List : Afghanistan, Benin, Cameroon, Central African Republic, Chad, Côte d'Ivoire (Ivory Coast), Democratic Republic of the Congo, Djibouti, Ethiopia, Indonesia, Liberia, Nigeria, Pakistan, Republic of the Congo , Senegal, Somalia, Republic of South Sudan, Togo, Yemen, Kyrgyzstan, Armenia, Mauritania, Equatorial Guinea, Ghana, Kazakhstan, Burkina Faso, Türkiye (Turkey), United Arab Emirates, Burundi, Romania, Malaysia, Russia, Azerbaijan, Uzbekistan, Philippines, Austria, Belarus, Georgia, Bosnia and Herzegovina, San Marino, Guinea, Kenya, Monaco, United Kingdom, including England, Scotland, Wales, and Northern Ireland, Belgium, Ireland, Montenegro, Moldova, Serbia, Niger, Thailand, Guinea-Bissau, Libya, Mozambique, Saudi Arabia, Namibia, Sudan, Albania, Algeria, American Samoa, Andorra, Angola, Anguilla (U.K.), Antarctica, Antigua and Barbuda, Argentina, Aruba, Australia, Azores (Portugal), The Bahamas, Bahrain, Bangladesh, Barbados, Belize, Bermuda (U.K.), Bhutan, Bolivia, Bonaire, Botswana, Brazil, British Indian Ocean Territory (U.K.), Brunei, Bulgaria, Burma (Myanmar), Cambodia, Canada, Canary Islands (Spain), Cape Verde, Cayman Islands (U.K.), Chile, China, Christmas Island (Australia), Cocos (Keeling) Islands (Australia), Colombia, Comoros, Cook Islands (New Zealand), Costa Rica, Croatia, Cuba, Curaçao, Cyprus, Czechia, Denmark, Dominica, Dominican Republic, Easter Island (Chile), Ecuador, including the Galápagos Islands, Egypt, El Salvador, Eritrea, Estonia, Eswatini (Swaziland), Falkland Islands (Islas Malvinas), Faroe Islands (Denmark), Fiji, Finland, France, French Guiana (France), French Polynesia, including the island groups of Society Islands (Tahiti, Moorea, and Bora-Bora), Marquesas Islands (Hiva Oa and Ua Huka), and Austral Islands (Tubuai and Rurutu), Gabon, The Gambia, Germany, Gibraltar (U.K.), Greece, Greenland (Denmark), Grenada, Guadeloupe, Guam (U.S.), Guatemala, Guyana, Haiti, , Honduras, Hong Kong (China), Hungary, Iceland, India, Iran, Iraq, Israel, the West Bank and Gaza, Italy, including Holy See and Vatican City, Jamaica, Japan, Jordan, Kiribati (formerly Gilbert Islands), includes Tarawa, Tabuaeran (Fanning Island), and Banaba (Ocean Island), Kosovo, Kuwait, Laos, Latvia, Lebanon, Lesotho, Liechtenstein, Lithuania, Luxembourg, Macau (China), Madagascar, Madeira Islands (Portugal), Malawi, Maldives, Mali, Malta, Marshall Islands, Martinique (France), Mauritius, Mayotte (France), Mexico, The Federated States of Micronesia (Including Yap Islands, Pohnpei, Chuuk, and Kosrae), Mongolia, Montserrat (U.K.), Morocco, Nauru, Nepal, Netherlands Antilles, including Bonaire, Curaçao, Saba, St. Eustasius, and St. Maarten, The Netherlands, New Caledonia (France), New Zealand, Nicaragua, Niue (New Zealand), Norfolk Island (Australia), North Korea, North Macedonia, Northern Mariana Islands (U.S.), including Saipan, Tinian, and Rota Island, Norway, Oman, Palau, Panama, Papua New Guinea, Paraguay, Peru, Pitcairn Islands (U.K.), Poland, Portugal, Puerto Rico (U.S.), Qatar, Réunion (France), Rwanda, Saba, Saint Barthelemy, Saint Helena (U.K.), Saint Kitts and Nevis, Saint Lucia, Saint Martin, Saint Pierre and Miquelon (France), Saint Vincent and the Grenadines, Samoa, São Tomé and Príncipe, Seychelles, Sierra Leone, Singapore, Sint Eustatius, Sint Maarten, Slovakia, Slovenia, Solomon Islands, South Africa, South Georgia and the South Sandwich Islands (U.K.), South Korea, Spain, Sri Lanka, Suriname, Sweden, Switzerland, Syria, Taiwan, Tajikistan, Tanzania, including Zanzibar, Timor-Leste (East Timor), Tokelau (New Zealand), Tonga, Trinidad and Tobago, Tunisia, Turkmenistan, Turks and Caicos Islands (U.K.), Tuvalu, Uganda, Ukraine, United States, Uruguay, Vanuatu, Venezuela, Vietnam, British Virgin Islands, U.S. Virgin Islands, Wake Island, U.S., Zambia, Zimbabwe

An increased number of cases of yellow fever have been reported in parts of South America. Country List : Brazil, Bolivia, Colombia, Peru