Participants previously diagnosed with ASD (DSM-5)
Available well-documented health records within the first 2 years of life
Participants must have a parent or reliable caregiver who agrees to provide information about the participant
Participants willing and consenting or assenting to participate.
You may not be if
Episode of fever (i.e. ≥100.5 °F or ≥ 38 °C) or clinically significant illness without fever (as judged by the investigator), within 10 days before any study assessment.
If the investigator assesses any unwillingness or any medical condition that may prevent the subject from completing this study.
