COVID-19 Boosters and Variants: Answering Your Questions


This podcast episode is for anyone who's interested in learning more about COVID-19. The goal of this episode is to help you talk to and work with your doctor and healthcare team about COVID-19 and its variants and COVID-19 vaccines and boosters.

You will learn about:

  • COVID-19 and how it can affect the body

  • What a virus is and what variants are

  • COVID-19 vaccines and boosters and why booster shots are given

  • Talking to your doctor and healthcare team about COVID-19

Certain medicines listed in this activity may have either a US Food and Drug Administration (FDA) approval or have been given an Emergency Use Authorization (EUA) by the FDA to treat or prevent COVID-19. The information on COVID-19 is continually changing. The content in this activity is accurate based on the information that was available at the time of its publication. This resource is provided for educational and informational purposes only. We do not provide medical advice, diagnosis, or treatment.

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Drs Greg Poland and L.J. Tan discuss what you should know COVID-19 vaccines and boosters and COVID-19 variants.

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Authors and Disclosures


Gregory A. Poland, MD, FIDSA, MACP, FRCP(London)

Professor of Medicine and Infectious Diseases, Mayo Clinic College of Medicine, Director of the Vaccine Research Group, Mayo Clinic, Rochester, Minnesota.

Gregory A. Poland, MD, FIDSA, MACP, FRCP, has the following relevant financial relationships: Consultant or advisor for: 3D Communications; AiZtech; AstraZeneca UK Limited; Emergent BioSolutions; Exelixis, Inc.; Genevant Sciences, Inc.; GlaxoSmithKline; Janssen Global Services, LLC; Lilly; Medicago USA; Merck & Co., Inc.; Moderna; Regeneron Pharmaceuticals, Inc.; Syneos Health; Vaneva; Vyriad.Royalties from: ICW Inc.Patent beneficiary of: ICW Inc.

Litjen (LJ) Tan, MS, PhD

Chief Strategy Officer, (Immunization Action Coalition), Co-Chair, National Adult and Influenza Immunization Summit (IAC), St Paul, Minnesota.

Litjen (LJ) Tan, MS, PhD, has no relevant financial relationships.


Anita A. Galdieri, PharmD, RPh

Associate Director, Content Development, Medscape, LLC.

Anita A. Galdieri, PharmD, RPh, has no relevant financial relationships.


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