United States
North America · Updated April 2026
Planning a trip to the United States? CDC's destination page focuses on routine vaccines — make sure measles, flu, COVID-19, and Tdap are up to date before you arrive. There are no specific travel vaccines recommended for most visitors. See a travel doctor 4–6 weeks before departure if you'd like a quick review.
The US has no malaria. Tick-borne diseases like Lyme are a concern in wooded areas of the northeast and Midwest from spring to autumn.
Required for entry
No vaccines are currently required for entry to United States from most countries.
Food & water safety
Standard precautionsFood and water are generally safe. Standard travel hygiene applies — wash hands regularly, be cautious with street food, and if in doubt about water quality, opt for sealed bottled water.
Routine vaccines to be up to date on
CDC advises every international traveller to have these current.
Measles-Mumps-Rubella (MMR)
Diphtheria-Tetanus-Pertussis
Polio
Flu (Influenza)
Chickenpox (Varicella)
Shingles
COVID-19
Entry requirements
For US citizens. Non-US travellers should check their government's guidance.
CDC's destination page directs travellers to the US Health Alert Network for current public health issues. Make sure routine vaccines, including measles and flu, are up to date before travel.
Source: CDC Travelers' Health — United States.
Disclaimer:This information is for general guidance only, based on CDC Travelers' Health. It does not replace advice from a qualified travel health professional. Consult a doctor 4–6 weeks before your trip.