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Public Health

Vetted resources and information on current public health events.

What are Travel Health Notices

Travel Health Notices inform travelers and clinicians about current health issues that impact travelers’ health, like disease outbreaks, special events or gatherings, and natural disasters, in destinations around the world.

Extreme Level 4 (Red)
Avoid travel to this destination unless traveling for humanitarian aid or emergency response; there is an extreme health risk for travelers and no available precautions.
Warning Level 3 (Orange)
Reconsider nonessential travel to this destination. The outbreak or event poses risk to travelers because limited precautions are available.
Alert Level 2 (Yellow)
Practice enhanced precautions for this destination. The Travel Health Notice describes additional precautions or defines a specific population at risk.
Watch Level 1 (Green)
Practice usual precautions for this destination, as described in the Travel Health Notice and/or on the destination page.

Current Travel Health Notices

Currently there are no Travel Health Notices at this level.

Currently there are no Travel Health Notices at this level.

Global Polio January 4, 2024
Some international destinations have circulating poliovirus. Before any international travel, make sure you are up to date on your polio vaccines.
 
Diphtheria in Niger December 21, 2023

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 Nigeria December 21, 2023

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.

 
MPOX in in the Democratic Republic of the Congo December 7, 2023

There is an outbreak of mpox in 22 out of 26 provinces, including urban areas, in the DRC.

 
Diphtheria in Guinea December 7, 2023

There is an outbreak of diphtheria in several districts 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.

 
Chikungunya in Burkina Faso November 9, 2023

There is an outbreak of chikungunya in Burkina Faso. Several districts have reported cases.

 
Yellow Fever in Nigeria May 04, 2022

There is an outbreak of yellow fever in Nigeria. 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.

Updated  Dengue in Asia and the Pacific Islands January 22, 2024

Dengue is a risk in many parts of Asia and the Pacific Islands. Some countries are reporting increased numbers of cases of the disease. Travelers to Asia and the Pacific Islands can protect themselves by preventing mosquito bites. 

 
 Updated  Dengue in Africa and the Middle East January 22, 2024

Dengue is a risk in many parts of Africa and the Middle East. Some countries are reporting increased numbers of cases of the disease. Travelers to Africa and the Middle East can protect themselves by preventing mosquito bites. 

 
Updated  Dengue in the Americas January 22, 2024

Dengue is a risk in many parts of Central and South America, Mexico, and the Caribbean. Some countries are reporting increased numbers of cases of the disease. Travelers to the Americas can protect themselves by preventing mosquito bites.
 

New Western Equine Encephalitis Virus in Argentina January 12, 2024

There are reports of confirmed and probable human cases of Western equine encephalitis virus (WEEV) infection in rural areas of several provinces in Argentina with WEEV activity in horses.

 
Rocky Mountain Spotted Fever in Mexico December 11, 2023

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.

 
Updated  Global Measles November 20, 2023

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

 
XDR Typhoid Fever in Pakistan June 16, 2023

An outbreak of extensively drug-resistant (XDR) typhoid fever in Pakistan is ongoing. Extensively drug-resistant infections do not respond to most antibiotics.

 
Salmonella Newport in Mexico September 08, 2022

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

CDC Travel Notices

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CDC International Outbreaks

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