It is your responsibility to ensure that you and all members of your party are in possession of all necessary travel and health documents, and comply with any other immigration requirements before traveling.
If you plan to visit Chile, review the Requirements for Entering Chile.
If you plan to visit Easter Island, review the Requirements for Entering Easter Island.
If you plan to visit Bolivia, review the Requirements for Entering Bolivia.
If you plan to visit or transit through Brazil, review the Requirements for Entering Brazil.