Prevalence of Pervasive Developmental Disorders Among Children at the English Montreal School Board

Type of resource
Authors/collaborators
Title
Prevalence of Pervasive Developmental Disorders Among Children at the English Montreal School Board
Abstract
The authors point out that the prevalence of pervasive developmental disorders (PDDs) has increased. There has been speculation regarding a role of thimerosal-containing vaccines (TCVs) in this trend. Their objectives were to determine prevalence rates of PDDs among school-aged children, and to evaluate the impact of discontinuation of thimerosal use in 1996 in routine childhood vaccines on PDD rates. They surveyed over 23,000 children attending kindergarten to Grade 11 in seventy-one schools in the English Montreal School Board. Although they found that there was a significant linear increase in PDD, the authors concluded that the discontinuation of thimerosal use in vaccines did not modify the risk of PDD.
Publication
Canadian Journal of Psychiatry
Volume
Vol. 55
Issue
no. 11
Pages
715-720
Date
November 2010
Language
en
Citation
Lazoff, Tamara, Lihong Zhong, Tania Piperni, and Eric Fombonne. “Prevalence of Pervasive Developmental Disorders Among Children at the English Montreal School Board.” Canadian Journal of Psychiatry Vol. 55, no. 11 (November 2010): 715–720.
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