United States

United States

Use High Level of Caution

The United States of America (USA) is located in North America between Mexico and Canada, with the North Atlantic Ocean on the eastern coast and the Pacific Ocean on the western coast. The population is approximately 313 million people.

The United State's government is a constitutional republic and representative democracy. The chief of state and head of government is a president.

The USA is a global economic, political and military power. The economy is the largest and most powerful in the world, and all sectors of the economy are highly developed. Despite being one of the wealthiest nations in the world, there are social and geographic based economic inequities.

The U.S. has some of the most diverse destinations in the world, with 50 states, the District of Columbia, and five U.S. Territories. Millions of foreign travellers will visit the United States every year. There are 21 UNESCO World Heritage Sites, that include Yosemite National Park in California, Statue of Liberty in New York, Everglades National Park in Florida, Yellowstone National Park in Wyoming, to name a few. There are beaches, mountains, deserts, the Grand Canyon, large cities such as New York City, Chicago, San Francisco. Tourists can find hundreds of attractions in every state.

Currency USD: US dollar
Language English
Capital Washington, DC
Recent Alerts 75
Latest Alert April 20, 2021 - US: Heavy Snowfall Causes Delays and Disruptions in Denver International Airport

Diseases To Be Aware Of

The diseases listed below are those which occur most often in United States. Other, less frequently encountered diseases might be displayed within the Travel Alerts section if they have occurred recently.

Hepatitis B

There is an intermediate risk for acquiring hepatitis B in Alaska. The risk of acquiring hepatitis B throughout the rest of the United States is low.

West Nile Fever

West Nile virus outbreaks occur throughout the continental United States from mid to late summer and autumn.

Lyme Disease

Lyme disease occurs in the northeastern parts of the country, the northern Midwest, and the northern Pacific coastal regions. The highest risk occurs from exposure to ticks during camping and hiking in forested areas.

Ciguatera Fish Poisoning

Ciguatera poisoning occurs sporadically in the states of Hawaii and Florida.


Rabies may be present in wild animals or bats.

Zika Fever

Zika virus can occur in this country.

Dengue Fever

Dengue fever occurs sporadically in Florida.

Vaccinations to Consider

The following is a list of recommended vaccinations for travelling to United States.

Hepatitis B Vaccine

Vaccination for hepatitis B in the United States is only recommended for travel to Alaska.

Rabies Vaccine

Vaccination against rabies is recommended for travellers whose activities or employment may bring them into direct contact with wild animals or bats (i.e. adventure travellers, veterinarians, wildlife professionals, researchers, etc.).

Medications to Consider

The following is a list of recommended medications for travelling to United States.

None required.

Safety and Security in United States

Emergency Numbers

911 For all emergencies

Personal Safety

Most travellers to the United States do not experience any safety or security risks. However, in some major cities, the risk of personal violence in certain areas of the city may be high. Travellers are advised to consult local authorities regarding high-risk areas of the city they are visiting.

Travellers to the United States should be aware that there are strict security precautions in place at most airports and border crossings. Extra time should be allotted for screening processes prior to departure from airports or for land border crossing.

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