On January 22, 2022, non-U.S. travelers seeking to enter the U.S. from Mexico or Canada by land or ferry for all purposes are required to provide proof of full vaccination against COVID-19. Their attestations include verbal confirmation and proof of vaccination at the border. U.S. citizens, U.S. permanent residents, and other U.S. nationals are not mandated to comply with the vaccination requirements and testing will no longer be conducted at the border. Children under age 18 and those with medical contraindications, among others, will also not be mandated to furnish proof of vaccination status at land borders or upon entry to the United States via ferry.
The United States does not currently have general federal quarantine guidelines but does provide guidance to international travelers here.
Acceptable Vaccines –
The current list of acceptable vaccines includes:
Janssen/ J & J
Pfizer-BioNTech
Moderna
Novavax
A list of vaccines for emergency use may be found on the CDC website here