One out of 31 children — more than 3% of kids — have been identified with autism, according to the latest results published Tuesday from a Centers for Disease Control and Prevention study that tracks trends of autism's prevalence across some communities in the U.

Autism diagnoses are continuing to increase in the U.S., now affecting one in 31 children, according to a new CDC report published Tuesday.

Health and Human Services Secretary Robert F. Kennedy Jr. is giving a speech following the release of Centers for Disease Control data showing a rise in autism diagnoses. He is set to start speaking at 11 a.