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Travel Health Notices

Types of Notices

Warning Level 3, Avoid Nonessential Travel

Alert Level 2, Practice Enhanced Precautions

Watch Level 1, Practice Usual Precautions

Current Notices

Search By Country Name or Disease

Travel notices are designed to inform travelers and clinicians about current health issues related to specific international destinations. These issues may arise from disease outbreaks, special events or gatherings, and natural disasters that may affect travelers’ health. See below for more information on our travel notice categories.

For country-specific information about Safety and Security, visit the US Department of State Travel Advisories page.

For country-specific information about weather conditions, visit the National Oceanic and Atmospheric Administration (NOAA) International Weather Selector webpage.

For a list of all Zika virus travel notices by region, visit Zika travel information.

Warning Level 3, Avoid Nonessential Travel

Because of the typhoon that crossed the Northern Mariana Islands on October 25, travelers to the area may experience serious health and safety risks, and medical care may not be available. CDC recommends that travelers avoid all nonessential travel to the Northern Mariana Islands.Super Typhoon Yutu
New Super Typhoon Yutu October 30, 2018 Because of the typhoon that crossed the Northern Mariana Islands on October 25, travelers to the area may experience serious health and safety risks, and medical care may not be available. CDC recommends that travelers avoid all nonessential travel to the Northern Mariana Islands. Read More >>
Because of the recent earthquake and tsunami that struck Indonesia on September 28, travelers to the province of Central Sulawesi may experience serious health and safety risks, and medical care may not be available. CDC recommends that travelers avoid all nonessential travel to the province of Central Sulawesi, Indonesia. Earthquake and Tsunami in Indonesia
Updated Earthquake and Tsunami in Indonesia October 11, 2018 Because of the recent earthquake and tsunami that struck Indonesia on September 28, travelers to the province of Central Sulawesi may experience serious health and safety risks, and medical care may not be available. CDC recommends that travelers avoid all nonessential travel to the province of Central Sulawesi, Indonesia. Read More >>
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. Health Infrastructure Breakdown in Venezuela
Health Infrastructure Breakdown in Venezuela May 15, 2018 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

There is a polio outbreak in Somalia. CDC recommends that all travelers to Somalia be vaccinated fully against polio.Polio in Somalia
Updated Polio in Somalia October 26, 2018 There is a polio outbreak in Somalia. CDC recommends that all travelers to Somalia be vaccinated fully against polio. Read More >>
There is an outbreak of polio in Papua New Guinea. CDC recommends that all travelers to Papua New Guinea be fully vaccinated against polio.Polio in Papua New Guinea
Updated Polio in Papua New Guinea October 26, 2018 There is an outbreak of polio in Papua New Guinea. CDC recommends that all travelers to Papua New Guinea be fully vaccinated against polio. Read More >>
Cases of vaccine-derived polio have been reported in Syria, according to the Global Polio Eradication Initiative. CDC recommends that all travelers to Syria be vaccinated fully against polio. Polio in Syria
Updated Polio in Syria October 26, 2018 Cases of vaccine-derived polio have been reported in Syria, according to the Global Polio Eradication Initiative. CDC recommends that all travelers to Syria be vaccinated fully against polio. Read More >>
There is a polio outbreak in the Democratic Republic of the Congo (DRC). CDC recommends that all travelers to DRC be vaccinated fully against polio. Polio in Democratic Republic of the Congo
Updated Polio in Democratic Republic of the Congo October 26, 2018 There is a polio outbreak in the Democratic Republic of the Congo (DRC). CDC recommends that all travelers to DRC be vaccinated fully against polio. Read More >>
The Nigerian Ministry of Health has reported several cases of poliovirus in the state of Borno in northeastern Nigeria. CDC recommends that all travelers to Nigeria be vaccinated fully against polio. Because of the risk of cross-border transmission, CDC recommends a one-time booster dose of polio vaccine for fully vaccinated adults traveling to Niger, Cameroon, or Chad to work in healthcare facilities, refugee camps, or other humanitarian aid settings. Polio in Nigeria
Updated Polio in Nigeria October 26, 2018 The Nigerian Ministry of Health has reported several cases of poliovirus in the state of Borno in northeastern Nigeria. CDC recommends that all travelers to Nigeria be vaccinated fully against polio. Because of the risk of cross-border transmission, CDC recommends a one-time booster dose of polio vaccine for fully vaccinated adults traveling to Niger, Cameroon, or Chad to work in healthcare facilities, refugee camps, or other humanitarian aid settings. Read More >>
There is an outbreak of rubella in Japan. Travelers to Japan should make sure they are vaccinated against rubella with the MMR (measles, mumps, and rubella) vaccine before travel.Rubella in Japan
New Rubella in Japan October 22, 2018 There is an outbreak of rubella in Japan. Travelers to Japan should make sure they are vaccinated against rubella with the MMR (measles, mumps, and rubella) vaccine before travel. Read More >>
There is an outbreak of Ebola in the North Kivu (Kivu Nord) and Ituri provinces in the Democratic Republic of the Congo (DRC). Ebola in Democratic Republic of the Congo
Updated Ebola in Democratic Republic of the Congo October 19, 2018 There is an outbreak of Ebola in the North Kivu (Kivu Nord) and Ituri provinces in the Democratic Republic of the Congo (DRC). Read More >>
An outbreak of monkeypox has been ongoing since September 2017 in Nigeria. Travelers to Nigeria should protect themselves from monkeypox by washing hands often with soap and water, and avoiding contact with animals or people that may be sick.Monkeypox in Nigeria
New Monkeypox in Nigeria October 18, 2018 An outbreak of monkeypox has been ongoing since September 2017 in Nigeria. Travelers to Nigeria should protect themselves from monkeypox by washing hands often with soap and water, and avoiding contact with animals or people that may be sick. Read More >>
Zika virus (or Zika) has been reported. Public health officials have reported that mosquitoes are infected with Zika and spreading it to people.Zika Virus in Antigua and Barbuda
Zika Virus in Antigua and Barbuda August 07, 2018 Zika virus (or Zika) has been reported. Public health officials have reported that mosquitoes are infected with Zika and spreading it to people. Read More >>
Zika virus (or Zika) has been reported. Public health officials have reported that mosquitoes are infected with Zika and spreading it to people.Zika Virus in Turks and Caicos Islands
Zika Virus in Turks and Caicos Islands August 07, 2018 Zika virus (or Zika) has been reported. Public health officials have reported that mosquitoes are infected with Zika and spreading it to people. Read More >>
Zika virus (or Zika) has been reported. Public health officials have reported that mosquitoes are infected with Zika and spreading it to people.Zika Virus in Cuba
Zika Virus in Cuba August 07, 2018 Zika virus (or Zika) has been reported. Public health officials have reported that mosquitoes are infected with Zika and spreading it to people. Read More >>
Zika virus (or Zika) has been reported. Public health officials have reported that mosquitoes are infected with Zika and spreading it to people.Zika Virus in the British Virgin Islands
Zika Virus in the British Virgin Islands August 07, 2018 Zika virus (or Zika) has been reported. Public health officials have reported that mosquitoes are infected with Zika and spreading it to people. Read More >>
Zika virus (or Zika) has been reported. Public health officials have reported that mosquitoes are infected with Zika and spreading it to people.Zika Virus in Argentina
Zika Virus in Argentina August 07, 2018 Zika virus (or Zika) has been reported. Public health officials have reported that mosquitoes are infected with Zika and spreading it to people. Read More >>
Zika virus (or Zika) has been reported. Public health officials have reported that mosquitoes are infected with Zika and spreading it to people.Zika Virus in Anguilla
Zika Virus in Anguilla August 07, 2018 Zika virus (or Zika) has been reported. Public health officials have reported that mosquitoes are infected with Zika and spreading it to people. Read More >>
Zika virus (or Zika) has been reported. Public health officials have reported that mosquitoes are infected with Zika and spreading it to people.Zika Virus in US Virgin Islands
Zika Virus in US Virgin Islands August 07, 2018 Zika virus (or Zika) has been reported. Public health officials have reported that mosquitoes are infected with Zika and spreading it to people. Read More >>
Zika virus (or Zika) has been reported. Public health officials have reported that mosquitoes are infected with Zika and spreading it to people.Zika Virus in Singapore
Zika Virus in Singapore August 07, 2018 Zika virus (or Zika) has been reported. Public health officials have reported that mosquitoes are infected with Zika and spreading it to people. Read More >>
Zika virus (or Zika) has been reported. Public health officials have reported that mosquitoes are infected with Zika and spreading it to people.Zika Virus in Saint Lucia
Zika Virus in Saint Lucia August 07, 2018 Zika virus (or Zika) has been reported. Public health officials have reported that mosquitoes are infected with Zika and spreading it to people. Read More >>
Zika virus (or Zika) has been reported. Public health officials have reported that mosquitoes are infected with Zika and spreading it to people.Zika Virus in Grenada
Zika Virus in Grenada August 07, 2018 Zika virus (or Zika) has been reported. Public health officials have reported that mosquitoes are infected with Zika and spreading it to people. Read More >>
Zika virus (or Zika) has been reported. Public health officials have reported that mosquitoes are infected with Zika and spreading it to people.Zika Virus in Saint Kitts and Nevis
Zika Virus in Saint Kitts and Nevis August 07, 2018 Zika virus (or Zika) has been reported. Public health officials have reported that mosquitoes are infected with Zika and spreading it to people. Read More >>
Zika virus (or Zika) has been reported. Public health officials have reported that mosquitoes are infected with Zika and spreading it to people.Zika Virus in Belize
Zika Virus in Belize August 07, 2018 Zika virus (or Zika) has been reported. Public health officials have reported that mosquitoes are infected with Zika and spreading it to people. Read More >>
Zika virus (or Zika) has been reported. Public health officials have reported that mosquitoes are infected with Zika and spreading it to people.Zika Virus in Montserrat
Zika Virus in Montserrat August 07, 2018 Zika virus (or Zika) has been reported. Public health officials have reported that mosquitoes are infected with Zika and spreading it to people. Read More >>
Zika virus (or Zika) has been reported. Public health officials have reported that mosquitoes are infected with Zika and spreading it to people.Zika Virus in Dominica
Zika Virus in Dominica August 07, 2018 Zika virus (or Zika) has been reported. Public health officials have reported that mosquitoes are infected with Zika and spreading it to people. Read More >>
Zika virus (or Zika) has been reported. Public health officials have reported that mosquitoes are infected with Zika and spreading it to people.Zika Virus in Saba
Zika Virus in Saba August 07, 2018 Zika virus (or Zika) has been reported. Public health officials have reported that mosquitoes are infected with Zika and spreading it to people. Read More >>
Zika virus (or Zika) has been reported. Public health officials have reported that mosquitoes are infected with Zika and spreading it to people.Zika Virus in Tonga
Zika Virus in Tonga August 07, 2018 Zika virus (or Zika) has been reported. Public health officials have reported that mosquitoes are infected with Zika and spreading it to people. Read More >>
Zika virus (or Zika) has been reported. Public health officials have reported that mosquitoes are infected with Zika and spreading it to people.Zika Virus in Trinidad and Tobago
Zika Virus in Trinidad and Tobago August 07, 2018 Zika virus (or Zika) has been reported. Public health officials have reported that mosquitoes are infected with Zika and spreading it to people. Read More >>
Zika virus (or Zika) has been reported. Public health officials have reported that mosquitoes are infected with Zika and spreading it to people.Zika Virus in Curaçao
Zika Virus in Curaçao August 07, 2018 Zika virus (or Zika) has been reported. Public health officials have reported that mosquitoes are infected with Zika and spreading it to people. Read More >>
Zika virus (or Zika) has been reported. Public health officials have reported that mosquitoes are infected with Zika and spreading it to people.Zika Virus in Sint Maarten
Zika Virus in Sint Maarten August 07, 2018 Zika virus (or Zika) has been reported. Public health officials have reported that mosquitoes are infected with Zika and spreading it to people. Read More >>
Zika virus (or Zika) has been reported. Public health officials have reported that mosquitoes are infected with Zika and spreading it to people.Zika Virus in Samoa
Zika Virus in Samoa August 07, 2018 Zika virus (or Zika) has been reported. Public health officials have reported that mosquitoes are infected with Zika and spreading it to people. Read More >>
Zika virus (or Zika) has been reported. Public health officials have reported that mosquitoes are infected with Zika and spreading it to people.Zika Virus in Guinea-Bissau
Zika Virus in Guinea-Bissau August 07, 2018 Zika virus (or Zika) has been reported. Public health officials have reported that mosquitoes are infected with Zika and spreading it to people. Read More >>
Zika virus (or Zika) has been reported. Public health officials have reported that mosquitoes are infected with Zika and spreading it to people.Zika Virus in the Solomon Islands
Zika Virus in the Solomon Islands August 07, 2018 Zika virus (or Zika) has been reported. Public health officials have reported that mosquitoes are infected with Zika and spreading it to people. Read More >>
Zika virus (or Zika) has been reported. Public health officials have reported that mosquitoes are infected with Zika and spreading it to people.Zika Virus in Saint Martin
Zika Virus in Saint Martin August 07, 2018 Zika virus (or Zika) has been reported. Public health officials have reported that mosquitoes are infected with Zika and spreading it to people. Read More >>
Zika virus (or Zika) has been reported. Public health officials have reported that mosquitoes are infected with Zika and spreading it to people.Zika Virus in Angola
Zika Virus in Angola August 07, 2018 Zika virus (or Zika) has been reported. Public health officials have reported that mosquitoes are infected with Zika and spreading it to people. Read More >>
Zika virus (or Zika) has been reported. Public health officials have reported that mosquitoes are infected with Zika and spreading it to people.Zika Virus in Sint Eustatius
Zika Virus in Sint Eustatius August 07, 2018 Zika virus (or Zika) has been reported. Public health officials have reported that mosquitoes are infected with Zika and spreading it to people. Read More >>
Zika virus (or Zika) has been reported. Public health officials have reported that mosquitoes are infected with Zika and spreading it to people.Zika Virus in Aruba
Zika Virus in Aruba August 07, 2018 Zika virus (or Zika) has been reported. Public health officials have reported that mosquitoes are infected with Zika and spreading it to people. Read More >>
Zika virus (or Zika) has been reported. Public health officials have reported that mosquitoes are infected with Zika and spreading it to people.Zika Virus in Bonaire
Zika Virus in Bonaire August 07, 2018 Zika virus (or Zika) has been reported. Public health officials have reported that mosquitoes are infected with Zika and spreading it to people. Read More >>
Zika virus (or Zika) has been reported. Public health officials have reported that mosquitoes are infected with Zika and spreading it to people.Zika Virus in Barbados
Zika Virus in Barbados August 07, 2018 Zika virus (or Zika) has been reported. Public health officials have reported that mosquitoes are infected with Zika and spreading it to people. Read More >>
Zika virus (or Zika) has been reported. Public health officials have reported that mosquitoes are infected with Zika and spreading it to people.Zika Virus in Saint Vincent and the Grenadines
Zika Virus in Saint Vincent and the Grenadines August 07, 2018 Zika virus (or Zika) has been reported. Public health officials have reported that mosquitoes are infected with Zika and spreading it to people. Read More >>
There is an ongoing outbreak of extensively drug-resistant (XDR) typhoid fever in Pakistan that does not respond to most antibiotics. Travelers to South Asia, including Pakistan, should take precautions to protect themselves from typhoid fever, including getting a typhoid fever vaccination. Travelers to these areas should also take extra care to follow safe food and water guidelines.Extensively Drug-Resistant Typhoid Fever in Pakistan
Extensively Drug-Resistant Typhoid Fever in Pakistan June 27, 2018 There is an ongoing outbreak of extensively drug-resistant (XDR) typhoid fever in Pakistan that does not respond to most antibiotics. Travelers to South Asia, including Pakistan, should take precautions to protect themselves from typhoid fever, including getting a typhoid fever vaccination. Travelers to these areas should also take extra care to follow safe food and water guidelines. Read More >>
There is a large, ongoing outbreak of yellow fever in multiple states of Brazil. Travelers to Brazil should protect themselves from yellow fever by getting yellow fever vaccine at least 10 days before travel, and preventing mosquito bites.Yellow Fever in Brazil
Yellow Fever in Brazil May 17, 2018 There is a large, ongoing outbreak of yellow fever in multiple states of Brazil. Travelers to Brazil should protect themselves from yellow fever by getting yellow fever vaccine at least 10 days before travel, and preventing mosquito bites. Read More >>
The Malaysian state of Sarawak has declared parts of three divisions to be “rabies infectious areas.” Rabies in Malaysia
Rabies in Malaysia August 09, 2017 The Malaysian state of Sarawak has declared parts of three divisions to be “rabies infectious areas.” Read More >>

Watch Level 1, Practice Usual Precautions

There is an outbreak of measles in Israel. Travelers to Israel should make sure they are vaccinated against measles with the MMR (measles, mumps, and rubella) vaccine.Measles in Israel
New Measles in Israel November 16, 2018 There is an outbreak of measles in Israel. Travelers to Israel should make sure they are vaccinated against measles with the MMR (measles, mumps, and rubella) vaccine. Read More >>
There is an outbreak of measles in Moldova. Travelers to Moldova should make sure they are vaccinated against measles with the MMR (measles, mumps, and rubella) vaccine.Measles in Moldova
New Measles in Moldova November 16, 2018 There is an outbreak of measles in Moldova. Travelers to Moldova should make sure they are vaccinated against measles with the MMR (measles, mumps, and rubella) vaccine. Read More >>
There is an outbreak of measles in New Zealand. Travelers to New Zealand should make sure they are vaccinated against measles with the MMR (measles, mumps, and rubella) vaccine.Measles in New Zealand
New Measles in New Zealand November 16, 2018 There is an outbreak of measles in New Zealand. Travelers to New Zealand should make sure they are vaccinated against measles with the MMR (measles, mumps, and rubella) vaccine. Read More >>
There is an outbreak of measles in Colombia. Travelers to Colombia should make sure they are vaccinated against measles with the MMR (measles, mumps, and rubella) vaccine.Measles in Colombia
New Measles in Colombia November 14, 2018 There is an outbreak of measles in Colombia. Travelers to Colombia should make sure they are vaccinated against measles with the MMR (measles, mumps, and rubella) vaccine. Read More >>
There is an outbreak of dengue in Senegal. Travelers to Senegal should protect themselves by preventing mosquito bites.Dengue in Senegal
New Dengue in Senegal November 07, 2018 There is an outbreak of dengue in Senegal. Travelers to Senegal should protect themselves by preventing mosquito bites. Read More >>
There is an outbreak of leptospirosis in northern Israel (Golan Heights). Travelers at highest risk are those exposed to contaminated fresh water like lakes and rivers in the affected area, such as through swimming, wading, kayaking, or rafting.Leptospirosis in Israel
Leptospirosis in Israel September 14, 2018 There is an outbreak of leptospirosis in northern Israel (Golan Heights). Travelers at highest risk are those exposed to contaminated fresh water like lakes and rivers in the affected area, such as through swimming, wading, kayaking, or rafting. Read More >>
A measles outbreak has been reported in Brazil. CDC recommends that travelers to Brazil protect themselves by making sure they are vaccinated against measles.Measles in Brazil
Measles in Brazil August 28, 2018 A measles outbreak has been reported in Brazil. CDC recommends that travelers to Brazil protect themselves by making sure they are vaccinated against measles. Read More >>
There is an outbreak of Rift Valley fever (RVF) in Kenya. Travelers to Kenya should protect themselves from RVF by avoiding contact with infected animals and preventing mosquito bites. Rift Valley Fever in Kenya
Rift Valley Fever in Kenya July 17, 2018 There is an outbreak of Rift Valley fever (RVF) in Kenya. Travelers to Kenya should protect themselves from RVF by avoiding contact with infected animals and preventing mosquito bites. Read More >>
A measles outbreak has been reported in Romania. CDC recommends that travelers to Romania protect themselves by making sure they are vaccinated against measles.Measles in Romania
Measles in Romania May 02, 2018 A measles outbreak has been reported in Romania. CDC recommends that travelers to Romania protect themselves by making sure they are vaccinated against measles. Read More >>
Health officials in Ukraine have reported an outbreak of measles. CDC recommends that travelers to Ukraine protect themselves by making sure they are vaccinated against measles.Measles in Ukraine
Measles in Ukraine May 02, 2018 Health officials in Ukraine have reported an outbreak of measles. CDC recommends that travelers to Ukraine protect themselves by making sure they are vaccinated against measles. Read More >>
Health officials in the Democratic Republic of the Congo have reported an outbreak of measles. CDC recommends that travelers protect themselves by making sure they are vaccinated against measles.Measles in Democratic Republic of the Congo
Measles in Democratic Republic of the Congo May 02, 2018 Health officials in the Democratic Republic of the Congo have reported an outbreak of measles. CDC recommends that travelers protect themselves by making sure they are vaccinated against measles. Read More >>
There is an outbreak of measles in Indonesia. CDC recommends that travelers to Indonesia protect themselves by making sure they are vaccinated against measles.Measles in Indonesia
Measles in Indonesia May 02, 2018 There is an outbreak of measles in Indonesia. CDC recommends that travelers to Indonesia protect themselves by making sure they are vaccinated against measles. Read More >>
Health officials in Italy have reported an outbreak of measles. CDC recommends that travelers to Italy protect themselves by making sure they are vaccinated against measles.Measles in Italy
Measles in Italy May 02, 2018 Health officials in Italy have reported an outbreak of measles. CDC recommends that travelers to Italy protect themselves by making sure they are vaccinated against measles. Read More >>
Health officials in Serbia have reported an outbreak of measles. CDC recommends that travelers to Serbia protect themselves by making sure they are vaccinated against measles.Measles in Serbia
Measles in Serbia May 02, 2018 Health officials in Serbia have reported an outbreak of measles. CDC recommends that travelers to Serbia protect themselves by making sure they are vaccinated against measles. Read More >>
There is an outbreak of measles in the Philippines. Travelers to the Philippines should make sure they are vaccinated against measles with the MMR (measles, mumps, and rubella) vaccine.Measles in the Philippines
Measles in the Philippines May 02, 2018 There is an outbreak of measles in the Philippines. Travelers to the Philippines should make sure they are vaccinated against measles with the MMR (measles, mumps, and rubella) vaccine. Read More >>
Health officials in England have reported an outbreak of measles. CDC recommends that travelers to England protect themselves by making sure they are vaccinated against measles with the MMR (measles, mumps and rubella) vaccine. Measles in England
Measles in England May 02, 2018 Health officials in England have reported an outbreak of measles. CDC recommends that travelers to England protect themselves by making sure they are vaccinated against measles with the MMR (measles, mumps and rubella) vaccine. Read More >>
Health officials in Greece have reported an outbreak of measles. CDC recommends that travelers to Greece protect themselves by making sure they are vaccinated against measles with the MMR (measles, mumps and rubella) vaccine. Measles in Greece
Measles in Greece May 02, 2018 Health officials in Greece have reported an outbreak of measles. CDC recommends that travelers to Greece protect themselves by making sure they are vaccinated against measles with the MMR (measles, mumps and rubella) vaccine. Read More >>
There is an outbreak of measles in France. Travelers to France should make sure they are vaccinated against measles with the MMR (measles, mumps, and rubella) vaccine.Measles in France
Measles in France April 27, 2018 There is an outbreak of measles in France. Travelers to France should make sure they are vaccinated against measles with the MMR (measles, mumps, and rubella) vaccine. Read More >>
The Nigeria Centre for Disease Control has reported an ongoing outbreak of yellow fever that began in September 2017.Yellow Fever in Nigeria
Yellow Fever in Nigeria January 30, 2018 The Nigeria Centre for Disease Control has reported an ongoing outbreak of yellow fever that began in September 2017. Read More >>
There is a widespread cholera outbreak in Yemen. Between April and July 2017, more than 400,000 cholera cases and nearly 2,000 deaths have been reported. Twenty-one of the country’s 23 governorates have reported suspected cases.Cholera in Yemen
Cholera in Yemen August 14, 2017 There is a widespread cholera outbreak in Yemen. Between April and July 2017, more than 400,000 cholera cases and nearly 2,000 deaths have been reported. Twenty-one of the country’s 23 governorates have reported suspected cases. Read More >>
Chinese health authorities have confirmed human cases of avian influenza A (H7N9) since September 2016. CDC advises people traveling to China to avoid contact with poultry (including poultry markets and farms), birds, and their droppings and to avoid eating undercooked poultry. Infected birds that appear healthy may still be able to transmit this virus to humans. Avian Flu (H7N9) in China
Avian Flu (H7N9) in China March 07, 2017 Chinese health authorities have confirmed human cases of avian influenza A (H7N9) since September 2016. CDC advises people traveling to China to avoid contact with poultry (including poultry markets and farms), birds, and their droppings and to avoid eating undercooked poultry. Infected birds that appear healthy may still be able to transmit this virus to humans. Read More >>

Travel Notice Definitions

CDC issues different types of notices for international travelers. As of April 5, 2013, these definitions have been refined to make the announcements more easily understood by travelers, health-care providers, and the general public. The definitions are laid out below. They describe both levels of risk for the traveler and recommended preventive measures to take at each level of risk.

Notice Level	Action
Level 1: Watch	Reminder to follow usual precautions for this destination, as described in the Travel Notice and/or on CDC’s Travelers’ Health website. Following usual precautions, including being up to date on all recommended vaccines and practicing appropriate mosquito avoidance, is the best possible protection against this identified increased risk.
Level 2: Alert	Follow enhanced precautions for this destination. Travel Notice describes additional precautions added, or defines a specific at-risk population, to protect against this identified increased risk.
Level 3: Warning	Avoid all non-essential travel to this destination High risk to travelers, no precaution available to protect against the identified increased risk.

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Page created: November 16, 2018
Page last updated: November 16, 2018
Page last reviewed: November 16, 2018
Content source:
- Centers for Disease Control and Prevention
  National Center for Emerging and Zoonotic Infectious Diseases (NCEZID)
  Division of Global Migration and Quarantine (DGMQ)

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