United States travel health
Required is not recommended: the first is what the border asks about, the second is what a clinic would suggest. Both, for United States, then the number to dial and what care costs a visitor. Applies to every guide in United States: New York, Grand Canyon, Las Vegas, San Francisco, New Orleans, Denali and 35 more.
Required to enter
Nothing. No vaccination certificate is asked for at the border.
Recommended
- Routine vaccinations up to date
Emergency number
911
Care for visitors
Limited
The care is excellent and the bill is the risk. There is no universal system, an ambulance ride alone can run into four figures, and an uninsured hospital stay can be genuinely ruinous. Comprehensive travel insurance with a high medical limit is essential — this is the one destination where skipping it can cost more than the trip by an order of magnitude.
The general rules — clinic timing, water, mosquitoes, insurance — are in travel health tips.