Travel Health Notices
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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. See types of travel notices.
Department of State Safety and Security Alerts: Travel Advisories.
Warning Level 3, Avoid Nonessential Travel
- Health Infrastructure Breakdown in Venezuela September 30, 2021 CDC recommends that travelers avoid all nonessential travel to Venezuela. The country is experiencing outbreaks of infectious diseases, and adequate health care is currently not available in most of the country. Read More >>
Alert Level 2, Practice Enhanced Precautions
- Updated Fungal Infections Following Surgical Procedures in Mexico May 26, 2023 Recently, some US residents returning from Matamoros, Mexico, were diagnosed with suspected fungal meningitis infections that have led to severe illness and death. Read More >>
- Updated Marburg in Equatorial Guinea May 12, 2023 On February 13, 2023, Equatorial Guinea declared an outbreak of Marburg virus disease. Confirmed cases have been reported in multiple districts. Read More >>
- Malaria in Costa Rica April 17, 2023 There is currently an outbreak of Plasmodium falciparum malaria in the province of Limón, Costa Rica. There is also malaria transmission in Alajuela Province. Read More >>
- Global Polio March 22, 2023 Some international destinations have circulating poliovirus. Before any international travel, make sure you are up to date on your polio vaccines. Read More >>
- Diphtheria in Nigeria February 24, 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. Read More >>
- 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. Read More >>
Watch Level 1, Practice Usual Precautions
- Updated Global Measles May 16, 2023 Many international destinations are reporting increased numbers of cases of measles. Read More >>
- Dengue in the Americas April 17, 2023 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. Read More >>
- Dengue in Asia and the Pacific Islands April 17, 2023 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. Read More >>
- Chikungunya in Paraguay April 06, 2023 There is an outbreak of chikungunya in Paraguay. Most cases have been reported in the Asunción metropolitan area. Mosquitos spread the virus that causes chikungunya. Read More >>
- Nipah Virus in Bangladesh February 24, 2023 There is an outbreak of Nipah virus disease in several districts in Bangladesh. This outbreak is related to the consumption of date palm sap. Read More >>
- Dengue in Africa and the Middle East December 05, 2022 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. Read More >>
- Salmonella Newport in Mexico September 08, 2022 Some travelers who have spent time in Mexico have been infected with multidrug-resistant (MDR) Salmonella Newport. Read More >>
- Mpox in Nigeria November 30, 2021 Travelers to Nigeria should avoid contact with sick people, animals such as rodents (rats, squirrels) and non-human primates (monkeys, chimpanzees), products that come from wild animals (including wild game), and contaminated materials (such as clothing or bedding) used by sick people or animals. Read More >>
- XDR Typhoid Fever in Pakistan September 30, 2021 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 >>
- Mpox in the Democratic Republic of the Congo September 30, 2021 There is an ongoing outbreak of mpox in the Democratic Republic of the Congo (DRC). Read More >>
Types of Notices
Warning Level 3 (Red): Avoid all non-essential travel to this destination. The outbreak is of high risk to travelers and no precautions are available to protect against the identified increased risk.
Alert Level 2 (Yellow): Practice enhanced precautions for this destination. The Travel Health Notice describes additional precautions added, or defines a specific at-risk population.
Watch Level 1 (Green): Practice usual precautions for this destination, as described in the Travel Health Notice and/or on the destination page. This includes being up-to-date on all recommended vaccines and practicing appropriate mosquito avoidance.
Page last reviewed: May 26, 2023