Back in 1999, leading U.S. Food and Drug Administration (FDA) official Dr. Peter Patriarca contended that modern advances in vaccine technology were rapidly “outpacing researchers’ ability to predict potential vaccine-related adverse events.” Patriarca mused that this could lead to “a situation of unforeseen and unpredictable vaccine outcomes.”

In a new research article published in Microbiology & Infectious Diseases, veteran immunologist J. Bart Classen expresses similar concerns and writes that “RNA-based COVID vaccines have the potential to cause more disease than the epidemic of COVID-19.”

For decades, Classen has published papers exploring how vaccination can give rise to chronic conditions such as Type 1 and