The recommendations for people vaccinated outside of the United States depend on the number and type of vaccine(s) received for the primary series and/or booster dose(s). People who initiated vaccination outside of the United States are considered to be up to date with their COVID-19 vaccines when they have completed the recommended actions described below. Age-appropriate Moderna, Novavax, and Pfizer-BioNTech COVID-19 vaccine products can be used. For additional guidance on primary series and booster vaccination, see guidance for people who are not moderately or severely immunocompromised and guidance for people who are moderately or severely immunocompromised. Table B. People who received COVID-19 vaccine outside the United States