1 in 10 Kids Diagnosed With Developmental Disability, CDC Says. Experts Blame Pandemic Policies for Rising Numbers. 1 in 10 Kids Diagnosed With Developmental Disability, CDC Says. Experts Blame Pandemic Policies for Rising Numbers. July 21, 2023 A new report by the Centers for Disease Control and Prevention (CDC) shows developmental delays â including in physical movement, language, social awareness and brain…