If I do not have documentation of my vaccination, what should I do?

If your home country does not provide documentation of vaccination, you may do the following. Schedule an appointment with a U.S. Citizenship and Immgration Services (USCIS) authorized physician. Bring any documentation that is available, including the date(s) of vaccination. The doctor will review any available evidence, and may conduct a blood test for COVID-19 antibodies. […]