If you are a citizen of a country outside North America and you want to visit the United States, you may need to apply for a visa. A visa is a permit to enter a country and stay there for less than 90 days.
All delegates are recommended to ensure they have the correct visas and passport to travel to OR2025 conference.
The United States Government website provides useful information on the types of visas required to enter the country.
Invitation letter
Once your registration is complete, and the payment received, you will be able to request an invitation letter from the local host committee: (e-mail).
Health and travel insurance
A friendly reminder that it is advisable for all participants to have health and travel insurance, as these are their sole responsibility.