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Security Alert May 17, 2024

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COVID-19 international travel advisories

Visitors to the U.S. do not need to be tested or vaccinated for COVID-19. U.S. citizens going abroad, check Department of State travel advisories for the country you will visit.

COVID-19 testing and vaccine rules for entering the U.S.

You do not need to show proof of being fully vaccinated against COVID-19 or take a COVID-19 test to enter the U.S. This applies to U.S. citizens and non-citizens.

U.S. citizens traveling to a country outside the U.S.

Find country-specific travel advisories, including COVID-19 restrictions, from the Department of State.

See the CDC's COVID-19 guidance for safer international travel to learn:

If you can travel if you recently had COVID-19
What you can do to help prevent COVID-19

LAST UPDATED: May 31, 2024

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Travel Health Notices

Search By Country Name or Disease

CDC uses Travel Health Notices (THNs) to inform travelers about global health risks during outbreaks, special events or gatherings, and natural disasters, and to provide advice about protective actions travelers can take to prevent infection or adverse health effects.

A THN can be posted for: 1) a disease outbreak (higher number of expected cases) in a country or region, 2) sporadic cases of a disease in an unusual or new geographic location, 3) natural and human-made disasters with severe environmental health risks, or infrastructure damage that would limit healthcare services availability and 4) mass gathering events that can lead to disease outbreaks. See types of travel notices .

Level 4 - Avoid All Travel

Currently there are no Travel Health Notices at this level.

Level 3 - Reconsider Nonessential Travel

Level 2 - practice enhanced precautions.

There is an outbreak of Zika in the state of Maharashtra, India. All travelers to Maharashtra should take steps to prevent mosquito bites and sexual transmission of Zika virus during and after travel. Zika in the state of Maharashtra, India765 New Zika in the state of Maharashtra, India August 22, 2024 There is an outbreak of Zika in the state of Maharashtra, India. All travelers to Maharashtra should take steps to prevent mosquito bites and sexual transmission of Zika virus during and after travel. Read More >>
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, Central African Republic, Chad, Côte d'Ivoire (Ivory Coast), Democratic Republic of the Congo, Madagascar, Mozambique, Niger, Nigeria, Pakistan, Somalia, Yemen, Indonesia, Sudan, Mali, Botswana, Zambia, Republic of the Congo , Burundi, Burkina Faso, Kenya, Tanzania, including Zanzibar, Guinea, Mauritania, Egypt, Zimbabwe, Angola, Liberia, Senegal, Sierra Leone, Ethiopia, The Gambia, Republic of South Sudan, UgandaGlobal Polio734 Updated Global Polio August 20, 2024 Some international destinations have circulating poliovirus. Before any international travel, make sure you are up to date on your polio vaccines. Destination List: Afghanistan, Algeria, Angola, Benin, Botswana, Burkina Faso, Burundi, Cameroon, Central African Republic, Chad, Côte d'Ivoire (Ivory Coast), Democratic Republic of the Congo, Egypt, Ethiopia, Guinea, Indonesia, Kenya, Liberia, Madagascar, Mali, Mauritania, Mozambique, Niger, Nigeria, Pakistan, Republic of South Sudan, Republic of the Congo, Senegal, Sierra Leone, Somalia, Sudan, Tanzania, including Zanzibar, The Gambia, Uganda, Yemen, Zambia, Zimbabwe Read More >>
There is an outbreak of Oropouche in Cuba. Oropouche is spread by the bite of infected midges (small flies) and mosquitoes.Oropouche in Cuba764 New Oropouche in Cuba August 16, 2024 There is an outbreak of Oropouche in Cuba. Oropouche is spread by the bite of infected midges (small flies) and mosquitoes. Read More >>
There is an outbreak of clade I mpox in the Democratic Republic of the Congo (DRC). Countries sharing borders with DRC are considered at risk for spread. Country List : Burundi, Central African Republic, Democratic Republic of the Congo, Republic of the Congo , Rwanda, UgandaClade I Mpox in the Democratic Republic of the Congo and Neighboring Countries763 Clade I Mpox in the Democratic Republic of the Congo and Neighboring Countries August 07, 2024 There is an outbreak of clade I mpox in the Democratic Republic of the Congo (DRC). Countries sharing borders with DRC are considered at risk for spread. Destination List: Burundi, Central African Republic, Democratic Republic of the Congo, Republic of the Congo, Rwanda, Uganda Read More >>
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.Diphtheria in Guinea751 Diphtheria in Guinea April 23, 2024 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. Read More >>
Yellow fever cases remain elevated in Nigeria, after an outbreak was first reported in November 2020. Travelers to Nigeria should take steps to prevent yellow fever by getting vaccinated at least 10 days before travel and taking steps to prevent mosquito bites.Yellow Fever in Nigeria392 Yellow Fever in Nigeria March 28, 2024 Yellow fever cases remain elevated in Nigeria, after an outbreak was first reported in November 2020. Travelers to Nigeria should take steps to prevent yellow fever by getting vaccinated at least 10 days before travel and taking steps to prevent mosquito bites. Read More >>
There is an outbreak of diphtheria in Niger. If you are traveling to an affected area, you should be up to date with your diphtheria vaccines.Diphtheria in Niger752 Diphtheria in Niger February 25, 2024 There is an outbreak of diphtheria in Niger. If you are traveling to an affected area, you should be up to date with your diphtheria vaccines. Read More >>
There is an outbreak of diphtheria in several states in Nigeria. 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.Diphtheria in Nigeria 740 Diphtheria in Nigeria February 16, 2024 There is an outbreak of diphtheria in several states in Nigeria. 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. Read More >>

Level 1 - Practice Usual Precautions

There are outbreaks of Oropouche in parts of Brazil, Bolivia, Colombia, and Peru. Oropouche is spread by the bite of infected midges (small flies) and mosquitoes. Country List : Brazil, Bolivia, Peru, ColombiaOropouche in South America758 Updated Oropouche in South America August 16, 2024 There are outbreaks of Oropouche in parts of Brazil, Bolivia, Colombia, and Peru. Oropouche is spread by the bite of infected midges (small flies) and mosquitoes. Destination List: Bolivia, Brazil, Colombia, Peru Read More >>
Many international destinations are reporting increased numbers of cases of measles. Country List : Afghanistan, Angola, Benin, Cameroon, Central African Republic, Chad, Côte d'Ivoire (Ivory Coast), Democratic Republic of the Congo, Djibouti, Ethiopia, Gabon, India, Indonesia, Liberia, Niger, Nigeria, Pakistan, Republic of the Congo , Senegal, Somalia, Republic of South Sudan, Sudan, Togo, Yemen, Zambia, Kyrgyzstan, Armenia, Mauritania, Lebanon, Equatorial Guinea, Syria, Ghana, Kazakhstan, Burkina Faso, Turkey, Qatar, United Arab Emirates, Burundi, Romania, Malaysia, Russia, Azerbaijan, Sri Lanka, Uzbekistan, Philippines, Austria, Belarus, Georgia, Mali, Bosnia and Herzegovina, San Marino, Bhutan, Guinea, MozambiqueGlobal Measles743 Updated Global Measles August 14, 2024 Many international destinations are reporting increased numbers of cases of measles. Destination List: Afghanistan, Angola, Armenia, Austria, Azerbaijan, Belarus, Benin, Bhutan, Bosnia and Herzegovina, Burkina Faso, Burundi, Cameroon, Central African Republic, Chad, Côte d'Ivoire (Ivory Coast), Democratic Republic of the Congo, Djibouti, Equatorial Guinea, Ethiopia, Gabon, Georgia, Ghana, Guinea, India, Indonesia, Kazakhstan, Kyrgyzstan, Lebanon, Liberia, Malaysia, Mali, Mauritania, Mozambique, Niger, Nigeria, Pakistan, Philippines, Qatar, Republic of South Sudan, Republic of the Congo, Romania, Russia, San Marino, Senegal, Somalia, Sri Lanka, Sudan, Syria, Togo, Turkey, United Arab Emirates, Uzbekistan, Yemen, Zambia Read More >>
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 : Brazil, Burkina Faso, Colombia, Costa Rica, Ecuador, including the Galápagos Islands, French Guiana (France), Guatemala, Guyana, Honduras, Laos, Mali, Mauritius, Mexico, Panama, Samoa, Singapore, Sri Lanka, Sudan, Uruguay, Afghanistan, Cape Verde, Cuba, Ghana, El Salvador, 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), IranGlobal Dengue762 Updated Global Dengue August 14, 2024 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. Destination List: Afghanistan, and Austral Islands (Tubuai and Rurutu), and Bora-Bora), Brazil, Burkina Faso, Cape Verde, Colombia, Costa Rica, Cuba, Ecuador, including the Galápagos Islands, El Salvador, French Guiana (France), French Polynesia, including the island groups of Society Islands (Tahiti, Ghana, Guatemala, Guyana, Honduras, Iran, Laos, Mali, Marquesas Islands (Hiva Oa and Ua Huka), Mauritius, Mexico, Moorea, Panama, Samoa, Singapore, Sri Lanka, Sudan, Uruguay Read More >>
Some travelers who have spent time in Mexico have been infected with multidrug-resistant (MDR) Salmonella Newport. Salmonella Newport in Mexico732 Salmonella Newport in Mexico May 30, 2024 Some travelers who have spent time in Mexico have been infected with multidrug-resistant (MDR) Salmonella Newport. Read More >>
There have been reports of Rocky Mountain spotted fever (RMSF) in people traveling to the United States from Tecate, in the state of Baja California, Mexico.Rocky Mountain Spotted Fever in Mexico 756 Rocky Mountain Spotted Fever in Mexico March 12, 2024 There have been reports of Rocky Mountain spotted fever (RMSF) in people traveling to the United States from Tecate, in the state of Baja California, Mexico. Read More >>
An outbreak of extensively drug-resistant (XDR) typhoid fever in Pakistan is ongoing. Extensively drug-resistant infections do not respond to most antibiotics.XDR Typhoid Fever in Pakistan397 XDR Typhoid Fever in Pakistan May 30, 2023 An outbreak of extensively drug-resistant (XDR) typhoid fever in Pakistan is ongoing. Extensively drug-resistant infections do not respond to most antibiotics. Read More >>