CDC Travel Health Notices

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, Mexico, Panama, Sudan, Cuba, 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), Iran, Philippines, Saint Lucia, Pakistan, Guadeloupe, Brazil, Fiji, Comoros, Tonga, Samoa

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

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, including the West Bank and Gaza, Finland, Germany, Poland, United Kingdom, including England, Scotland, Wales, and Northern Ireland

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

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 : Bolivia, Brazil, Colombia, Peru, Guyana, Ecuador, including the Galápagos Islands, Cuba, Barbados, Panama, Venezuela

There is an outbreak of clade I mpox in Central and Eastern Africa. Country List : Burundi, Central African Republic, Democratic Republic of the Congo, Republic of the Congo , Rwanda, Uganda, Kenya, Zambia, Tanzania, including Zanzibar

Many international destinations are reporting increased numbers of cases of measles. 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

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

There is an outbreak of malaria in Ethiopia. An increased number of cases have been reported from all 14 regions.

There have been several cases of East African human trypanosomiasis among travelers returning from safari areas in Zambia and Zimbabwe. Country List : Zimbabwe, Zambia

Some travelers who have spent time in Mexico have been infected with multidrug-resistant (MDR) Salmonella Newport.

There are confirmed and suspect cases of diphtheria in several regions in 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.