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Incidence of Autism
Arch Pediatr Adolesc Med. 2005;159:691.
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Barbaresi et al again clearly document the increased incidence of autism, with its first appearance in the 1980-1983 group (Table 2).1 The increase is shown with 1 slope from 1980 through 1991 and a distinctly increased rate of autism from 1991 through 1997. They repeated the belief that "the timing of the introduction of the MMR [measles-mumps-rubella] vaccine [in 1971] did not coincide with the increased incidence of autism,"1(p42) referencing 5 studies that failed to demonstrate a relationship. However, attention has been focused more on the measles connection and the flawed assumption that the MMR vaccine has remained unchanged since its introduction in 1971.
An important detail seems to have been overlooked. The original rubella vaccines were HPV-77 and Cendehill, which were replaced in January 1979 by the RA 27/3 virus strain.2 This coincides with remarkable precision with the appearance of autism in 1980, given that it would take medical . . . [Full Text of this Article] AUTHOR INFORMATION
Frank Fischer, Jr, MD
RELATED ARTICLE
Incidence of AutismReply
William J. Barbaresi, Slavica K. Katusic, Robert C. Colligan, Amy L. Weaver, and Steven J. Jacobsen
Arch Pediatr Adolesc Med. 2005;159(7):691-692.
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