Unpublished Henry Ford Hospital vaccinated children study

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Unpublished Henry Ford Hospital study, distributed in 2020, on 18,468 children born between 2000 and 2016, enrolled in the health system insurance plan. Vaccinated versus unvaccinated children.

This study was distributed too some people around 2020 but wasn't published, was presented and quoted by A. Siri at "Permanent Subcommittee on Investigations", on September 9, 2025, Original document is on the US government site here

https://www.hsgac.senate.gov/wp-content/uploads/Siri-Testimony.pdf

"Impact of Childhood Vaccination on Short and Long-Term Chronic Health Outcomes in Children: A Birth Cohort Study", by Lois Lamerato, Abigail Chatfield, Amy Tang, Marcus Zervos,

Quote:

Results:
A total of 18,468 consecutive subjects met eligibility criteria for the study, of which 1,957 had no exposure to vaccination and 16,511 had received at least one vaccine ... [and] exposure to vaccination was independently associated with an increased risk of developing a chronic health condition (HR 2.53, CI 2.16-2.96) ... asthma (HR 4.25, CI 3.23-5.59), autoimmune disease (HR 4.79, CI 1.36-16.94), atopic disease (HR 3.03, CI 2.01-4.57), eczema (HR 1.31, CI 1.13-1.52), and
neurodevelopmental disorder (HR 5.53, CI 2.91-10.51).
There were no chronic health conditions associated with an increased risk in the unexposed group. The overall probability of being free of a chronic health condition at 10-years of follow up was 43% in the group exposed to vaccination and 83% in the unexposed group.

Conclusion:
This study found that exposure to vaccination was independently associated with an overall 2.5-fold increase in the likelihood of developing a chronic health condition, when compared to children unexposed to vaccination. This association was primarily driven by asthma, atopic disease, eczema, autoimmune disease and neurodevelopmental disorders. This suggests that in certain children, exposure to vaccination may increase the likelihood of developing a chronic health condition,
particularly for one of these conditions.