Vaccines & SafetyCertain Immunocompromised Americans Can Get Four COVID-19 Vaccine Doses: CDCSavePrintA pharmacist prepares the Pfizer-BioNTech vaccine at the Hartford Convention Center in Hartford, Conn., on Jan. 4, 2021. Joseph Prezioso/AFP via Getty ImagesZachary StieberSenior Reporter10/27/2021|Updated: 10/28/2021Some Americans can get four COVID-19 vaccine doses within less than a year, the Centers for Disease Control and Prevention (CDC) said this week.U.S. drug regulators and the CDC recently cleared booster doses of all three COVID-19 vaccines authorized for use in the country.We had a problem loading this article. Please enable javascript or use a different browser. If the issue persists, please visit our help center.Share this articleLeave a commentZachary StieberSenior ReporterZachary Stieber is a senior reporter for The Epoch Times based in Maryland. He covers U.S. and world news. Contact Zachary at [email protected]Author’s Selected ArticlesOreo, Swedish Fish Maker Working to Switch Food Dyes to Natural ColorsSep 26, 2025RFK Jr. Considering Adding Autism Symptoms to Vaccine Injury ProgramSep 26, 2025FDA Approves New Therapy for Advanced Breast CancerSep 26, 2025CDC Advisers to Consider Removing Hepatitis B Vaccine From Childhood ScheduleSep 26, 2025Related TopicsCDCVaccine