Q: In this task, you are given a summary for US Congressional and California state bill, your task is to generate a Title for this bill. The preferred titles are under forty words and mention the purpose of the bill.
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.
A:
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.