What Is Original Antigenic Sin and Why Do We Care?

What Is Original Antigenic Sin and Why Do We Care?
A patient receives her booster dose of the Pfizer-BioNTech COVID-19 vaccine at the Southfield Pavilion in Southfield, Mich., on Aug. 24, 2021. Emily Elconin/Getty Images
Todd J. Zywicki
Updated:
Commentary

As the United States feverishly rolls out COVID-19 vaccination “booster” shots, Israel is reporting trudging toward a fourth shot in response to evidence of waning immunity protection and rapidly increasing cases after its widespread administration of a third shot last fall.

Todd J. Zywicki
Todd J. Zywicki
Author
Todd Zywicki is George Mason University Foundation Professor of Law at Antonin Scalia Law School.
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