United States of America
This page contains the main health risks for travellers and general recommendations. Travel conditions are different for everyone and each patient's health condition varies. Discuss your trip during a travel consultation with your doctor or in a travel clinic, preferably six to eight weeks before departure.
Check the current security situation on the federal government website.
Important health risks
Insect-borne diseases
Insects can transmit diseases such as dengue, chikungunya (in the South and South-Eastern states and Hawaii) and West Nile virus disease.
Protect yourself against insects.
Tick-borne diseases
Ticks can transmit diseases such as Lyme disease.
Altitude sickness
You may experience altitude sickness in areas above 2500 metres.
COVID-19
Take a look at the general preventive measures related to COVID-19.
- Carefully read the entry conditions and local measures of this country.
Other frequent health risks while travelling
Read these tips before you leave.
Vaccinations
Update of basic vaccinations
Other vaccinations
Discuss with your doctor whether one of the following vaccinations is recommended for you: