Vaccine Risk Perception Among Reporters of Autism After Vaccination: Vaccine Adverse Event Reporting System 1990–2001
Emily Jane Woo, MD, MPH,
Robert Ball, MD, MPH, ScM,
Ann Bostrom, PhD,
Sean V. Shadomy, DVM, MPH,
Leslie K. Ball, MD, MPH,
Geoffrey Evans, MD and
Miles Braun, MD, MPH
E. J. Woo, R. Ball, S. V. Shadomy, and M. Braun are from the Vaccine Safety Branch, Division of Epidemiology, Center for Biologics Evaluation and Research, Food and Drug Administration, Rockville, Md. S. V. Shadomy currently works at the National Immunization Program, Centers for Disease Control and Prevention, Atlanta, Ga. A. Bostrom is from the School of Public Policy, Georgia Institute of Technology, Atlanta. At the time of the study, L. K. Ball was with the Office of Public Health and Science, Department of Health and Human Services, Rockville. G. Evans is from the National Vaccine Injury Compensation Program, Health Resources and Services Administration, Department of Health and Human Services, Rockville.
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FIGURE 1—— Vaccination date and report date for 124 VAERS cases of autism and related disorders through July 10, 2001.
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FIGURE 2—— Interval between vaccination date and report date, by vaccination date.
Note. Each dot represents an interval that occurred at least once for a given year of vaccination. For example, for reports with a vaccination date in 1996, there were 3 reports with a delay of 2 years (reports received in 1998), 4 reports with a delay of 3 years, 2 with a delay of 4 years, and 1 with a delay of 5 years.
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Copyright © 2004 by the American Public Health Association
