Sen. Blumenthal Tries Discrediting Vaccine Witness, It Backfires in Spectacular Fashion [WATCH]

The Senate Homeland Security and Governmental Affairs Committee held a hearing Tuesday to examine concerns about how vaccine policy has been shaped by scientific practices, government oversight, and the influence of pharmaceutical companies.

Attorney Aaron Siri, managing partner at Siri & Glimstad LLP, testified before lawmakers, raising questions about how data on vaccine safety has been handled and how studies that raised potential concerns were withheld from publication.

Siri told the committee that none of the clinical trials used to license routine childhood vaccines on the Centers for Disease Control and Prevention (CDC) schedule were able to prove safety before licensure because of structural design flaws.

He further argued that post-licensure monitoring has been undermined by assumptions that vaccines are inherently safe, which, in his view, has compromised the scientific process.

During his testimony, Siri discussed a large cohort study conducted at Henry Ford Health in Detroit, led by Dr. Marcus Zervos, Division Head of Infectious Disease.

According to Siri, the study tracked 18,468 children born between 2000 and 2016, comparing vaccinated and unvaccinated children.

Siri stated that the results of the study showed significant differences in health outcomes:

• Vaccinated children were 3.03 times more likely to develop allergic diseases.
• 4.29 times more likely to develop asthma.
• 5.53 times more likely to suffer neurodevelopmental disorders, including speech disorders and developmental delays.
• 5.96 times more likely to develop autoimmune diseases.
• Cases of ADHD, learning disabilities, and tics were recorded among vaccinated children but none among the unvaccinated group.
• By age 10, only 43% of vaccinated children were free of chronic disease compared to 83% of unvaccinated children.

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Siri said the researchers who conducted the study ultimately declined to publish it.

He testified that Dr. Lois Lamerato expressed concerns about making physicians “uncomfortable,” while Dr. Zervos worried about professional repercussions.

Siri argued that if the study had shown improved outcomes for vaccinated children, the findings would likely have been published immediately.

To illustrate his point, Siri presented a table from the study titled “Incidence of Chronic Health Conditions Stratified by Vaccine Exposure Status.”

He explained that because some conditions occurred only in vaccinated children and not in unvaccinated children, incidence rate ratios could not be calculated.

He noted, for example, that there were 262 cases of ADHD in vaccinated children and none in the unvaccinated group.

The hearing also featured a pointed exchange between Siri and Sen. Richard Blumenthal, D-Conn., who questioned Siri’s qualifications. “We’ve been talking about medical issues. You’re not a medical doctor, are you?” Blumenthal asked.

“No, sir,” Siri responded.

Blumenthal pressed further: “You’re not an immunologist or biologist or any—”

“Or vaccinologist… No,” Siri replied. “But I depose them regularly, including the world’s leading ones with regards to the vaccines. I have to make my claims based on actual evidence. When I go to court with regards to vaccines, I don’t get to rely on titles.”

Blumenthal concluded: “Okay… But you’re not a doctor.”

Siri answered: “No. Actually, I prefer not to be a doctor because I prefer to rely on the evidence, not slogans like we’ve been hearing.”

The exchange drew a strong response from the hearing audience, many of whom applauded Siri’s remarks.

Sen. Blumenthal burnt by the hot molten lava 🔥

Sen. Blumenthal tries to discredit Aaron Siri, but @AaronSiriSG absolutely nails him:

“No [I’m not a Doctor] but I depose them regularly, including the worlds leading ones with regards to the vaccines and I have to make my claims… pic.twitter.com/C58qlA1fSm

— Humanspective (@Humanspective) September 9, 2025

The committee has not yet announced whether it will pursue additional hearings or request further documentation regarding the study cited by Siri.

Lawmakers from both parties signaled that the issue of vaccine data transparency is likely to remain under scrutiny as Congress continues its oversight role.