The Centers for Disease Control and Prevention (CDC) is conducting ongoing surveillance to monitor how early Autism Spectrum Disorder (ASD) is being identified in young children. This work focuses specifically on 4-year-olds across six sites in the United States as part of the Early Autism and Developmental Disabilities Monitoring Network. The goal is to track patterns and timing of diagnosis to inform public health efforts.
This is a surveillance summary, which means it describes an ongoing monitoring program rather than reporting the results of a new study. The summary does not include specific data on how many children were identified with ASD, at what age they were diagnosed, or whether identification is happening earlier or later than in previous years.
Because this is a program description and not a results report, readers should not draw conclusions about current rates of early identification or trends in diagnosis. The information is intended for public health professionals who use this surveillance data to plan services and support for children and families.
The main reason to be careful is that this summary does not provide any new findings about early autism identification. It simply explains that the CDC is collecting this information. Realistically, readers should understand this as background information about how public health agencies track developmental conditions.