The Bolus Theory Series

The Bolus Theory Series

Vaccine-Triggered Psoriasis: Unraveling the Root Cause and Path to Healing

How a Single Shot Disrupted a Young Woman’s Skin and What Science Says About Curing It

Marc Girardot's avatar
Marc Girardot
Jun 21, 2025
∙ Paid
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On December 31, 2020, a healthy 25-year-old woman from Arizona1 rolled up her sleeve to receive her first dose of the Moderna COVID-19 vaccine. She had no known allergies, no chronic illness, no autoimmune history. Just a typical young adult, doing what millions were doing that week — participating in a global mass vaccination campaign.

The next day, ever…

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