Early Identification Of Autism Spectrum Disorder Among Children Aged 4 Years — Autism & Developmental Disabilities Monitoring Network, 11 Sites, United States, 2020

On March 24, 2023, the U.S. Centers for Disease Control and Prevention (CDC) published this report regarding early identification of autism spectrum disorder (ASD) among children aged 4 years in 11 sites of the Autism & Developmental Disabilities Monitoring Network during 2020. This report provides data on early ASD identification among children aged 4 years in 11 U.S. communities, including prevalence and characteristics of children with ASD and suspected ASD in 2020, and comparisons with children aged 8 years to show patterns in identification and emergence of possible impacts of COVID-19 . . .