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HR 5940 109th Congress House

Comprehensive Comparative Study of Vaccinated and Unvaccinated Populations Act of 2006

Official title: To direct the Secretary of Health and Human Services to conduct or support a comprehensive study comparing total health outcomes, including risk of autism, in … Show full official titleShow less

Official title: To direct the Secretary of Health and Human Services to conduct or support a comprehensive study comparing total health outcomes, including risk of autism, in vaccinated populations in the United States with such outcomes in unvaccinated populations in the United States, and for other purposes.

Introduced: September 6, 2006 See on congress.gov
Health AutismEpidemiologyMedical researchNervous system diseases
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NeurologyScience, Technology, CommunicationsVaccinationVaccines
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This bill died when the 109th Congress ended
It never became law before the 109th Congress (2005–2006) adjourned, and bills don't carry over to the next Congress. It would have to be reintroduced. You can still save it for reference, but it won't receive updates.
 Everywhere this bill has been 3 steps
Introduced
In committee
Reported out
Passed House
Passed Senate
To President
Became law
Aug 1, 2006
Referred to the Subcommittee on Health.
Jul 27, 2006
Referred to the House Committee on Energy and Commerce.
Jul 27, 2006
Introduced in House
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 Latest action August 1, 2006

Referred to the Subcommittee on Health.

 Plain-English summary Congressional Research Service

Comprehensive Comparative Study of Vaccinated and Unvaccinated Populations Act of 2006 - Requires the Secretary of Health and Human Services, acting through the Director of the National Institutes of Health, to conduct or support a comprehensive study to: (1) compare total health outcomes, including risk of autism, in vaccinated, U.S. populations with such outcomes in unvaccinated, U.S. populations; and (2) determine whether vaccines or vaccine components play a role in the development of autism spectrum or other neurological conditions.

Requires the Secretary to include in the study U.S. populations that have traditionally remained unvaccinated for religious or other reasons, members of clinical practices who choose alternative medical practices, and practitioners of anthroposophic lifestyles.

 Bill text 1 version

Source documents hosted by congress.gov.

 Committees of jurisdiction 2
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APA
U.S. Congress. (2026). H.R. 5940: Comprehensive Comparative Study of Vaccinated and Unvaccinated Populations Act of 2006. 109th Congress. Open America. https://openamerica.io/bill/109-HR-5940/
MLA
"H.R. 5940: Comprehensive Comparative Study of Vaccinated and Unvaccinated Populations Act of 2006." 109th Congress, 2026, Open America, https://openamerica.io/bill/109-HR-5940/.
Bluebook (legal)
H.R. 5940, 109th Cong. (2026), https://openamerica.io/bill/109-HR-5940/.
Markdown link
[H.R. 5940: Comprehensive Comparative Study of Vaccinated and Unvaccinated Populations Act of 2006](https://openamerica.io/bill/109-HR-5940/)
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