Under the immigration laws of the United States, a foreign national who applies for an immigrant visa abroad, or who seeks to adjust status to a permanent resident while in the United States, is required to receive age-appropriate vaccinations: Mumps Measles Rubella Polio Tetanus and Diphtheria Toxoids Pertussis, Haemophilus influenzae type B Influenza (during flu season) Hepatitis B COVID-19 If you have any records of current vaccinations, you should bring them with you, or we can refer you to the appropriate County Immunization Clinic or pharmacy.