Infections occurring during childhood can increase the risk for autism as well as intellectual disability



Dr. Håkan Karlsson and his colleagues demonstrated with data collected from 556,732 Swedish children born between 1987 and 2010 that there is a link between early childhood infection and a later diagnosis of autism or intellectual disability. The authors reported that even when children with congenital causes of autism or intellectual disabilities were excluded from the data the correlation remained significant.


“Childhood infections and autism spectrum disorders and/or intellectual disability: a register-based cohort study,” Håkan Karlsson, Hugo Sjöqvist, Martin Brynge, Renee Gardner, and Christina Dalman, Journal of Neurodevelopmental Disorders, February 2022

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